Home / 31,777.68-47,666.52-11,001.18

Finding the Fourth Proportional to 31,777.68, 47,666.52 and 11,001.18

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Solution

The fourth proportional to 31,777.68, 47,666.52 and 11,001.18 is: 16,501.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,777.68 : 47,666.52 = 11,001.18 : x
  2. Step 2: Convert to fraction form
    31,777.68/47,666.52 = 11,001.18/x
  3. Step 3: Cross multiply
    31,777.68x = 47,666.52 × 11,001.18
  4. Step 4: Simplify right side
    31,777.68x = 524,387,966.49
  5. Step 5: Solve for x
    x = 524,387,966.49/31,777.68
  6. Step 6: Final answer
    x = 16,501.77

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Half scale
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Double scale
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Similar ratio
Find fourth proportional to 47,666.52, 71,499.78 and 16,501.77
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.