Home / 38,468.67-53,087.85-21,472.56

Finding the Fourth Proportional to 38,468.67, 53,087.85 and 21,472.56

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Solution

The fourth proportional to 38,468.67, 53,087.85 and 21,472.56 is: 29,632.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,468.67 : 53,087.85 = 21,472.56 : x
  2. Step 2: Convert to fraction form
    38,468.67/53,087.85 = 21,472.56/x
  3. Step 3: Cross multiply
    38,468.67x = 53,087.85 × 21,472.56
  4. Step 4: Simplify right side
    38,468.67x = 1,139,932,044.40
  5. Step 5: Solve for x
    x = 1,139,932,044.40/38,468.67
  6. Step 6: Final answer
    x = 29,632.74

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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.