Home / 38,717.73-53,434.50-21,726.57

Finding the Fourth Proportional to 38,717.73, 53,434.50 and 21,726.57

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Solution

The fourth proportional to 38,717.73, 53,434.50 and 21,726.57 is: 29,984.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,717.73 : 53,434.50 = 21,726.57 : x
  2. Step 2: Convert to fraction form
    38,717.73/53,434.50 = 21,726.57/x
  3. Step 3: Cross multiply
    38,717.73x = 53,434.50 × 21,726.57
  4. Step 4: Simplify right side
    38,717.73x = 1,160,948,404.67
  5. Step 5: Solve for x
    x = 1,160,948,404.67/38,717.73
  6. Step 6: Final answer
    x = 29,984.93

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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.