Home / 39,465.51-54,461.49-21,560.61

Finding the Fourth Proportional to 39,465.51, 54,461.49 and 21,560.61

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Solution

The fourth proportional to 39,465.51, 54,461.49 and 21,560.61 is: 29,753.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,465.51 : 54,461.49 = 21,560.61 : x
  2. Step 2: Convert to fraction form
    39,465.51/54,461.49 = 21,560.61/x
  3. Step 3: Cross multiply
    39,465.51x = 54,461.49 × 21,560.61
  4. Step 4: Simplify right side
    39,465.51x = 1,174,222,945.91
  5. Step 5: Solve for x
    x = 1,174,222,945.91/39,465.51
  6. Step 6: Final answer
    x = 29,753.14

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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.