Home / 31,712.08-43,762.80-17,564.62

Finding the Fourth Proportional to 31,712.08, 43,762.80 and 17,564.62

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Solution

The fourth proportional to 31,712.08, 43,762.80 and 17,564.62 is: 24,239.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,712.08 : 43,762.80 = 17,564.62 : x
  2. Step 2: Convert to fraction form
    31,712.08/43,762.80 = 17,564.62/x
  3. Step 3: Cross multiply
    31,712.08x = 43,762.80 × 17,564.62
  4. Step 4: Simplify right side
    31,712.08x = 768,676,952.14
  5. Step 5: Solve for x
    x = 768,676,952.14/31,712.08
  6. Step 6: Final answer
    x = 24,239.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.