Home / 39,462.59-54,462.13-21,560.29

Finding the Fourth Proportional to 39,462.59, 54,462.13 and 21,560.29

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Solution

The fourth proportional to 39,462.59, 54,462.13 and 21,560.29 is: 29,755.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,462.59 : 54,462.13 = 21,560.29 : x
  2. Step 2: Convert to fraction form
    39,462.59/54,462.13 = 21,560.29/x
  3. Step 3: Cross multiply
    39,462.59x = 54,462.13 × 21,560.29
  4. Step 4: Simplify right side
    39,462.59x = 1,174,219,044.51
  5. Step 5: Solve for x
    x = 1,174,219,044.51/39,462.59
  6. Step 6: Final answer
    x = 29,755.25

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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.