Home / 39,465.89-54,462.03-21,560.97

Finding the Fourth Proportional to 39,465.89, 54,462.03 and 21,560.97

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Solution

The fourth proportional to 39,465.89, 54,462.03 and 21,560.97 is: 29,753.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,465.89 : 54,462.03 = 21,560.97 : x
  2. Step 2: Convert to fraction form
    39,465.89/54,462.03 = 21,560.97/x
  3. Step 3: Cross multiply
    39,465.89x = 54,462.03 × 21,560.97
  4. Step 4: Simplify right side
    39,465.89x = 1,174,254,194.97
  5. Step 5: Solve for x
    x = 1,174,254,194.97/39,465.89
  6. Step 6: Final answer
    x = 29,753.65

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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.