Home / 47,726.12-71,549.76-21,053.09

Finding the Fourth Proportional to 47,726.12, 71,549.76 and 21,053.09

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Solution

The fourth proportional to 47,726.12, 71,549.76 and 21,053.09 is: 31,562.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,726.12 : 71,549.76 = 21,053.09 : x
  2. Step 2: Convert to fraction form
    47,726.12/71,549.76 = 21,053.09/x
  3. Step 3: Cross multiply
    47,726.12x = 71,549.76 × 21,053.09
  4. Step 4: Simplify right side
    47,726.12x = 1,506,343,536.76
  5. Step 5: Solve for x
    x = 1,506,343,536.76/47,726.12
  6. Step 6: Final answer
    x = 31,562.25

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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.