Home / 38,270.97-52,822.50-21,281.17

Finding the Fourth Proportional to 38,270.97, 52,822.50 and 21,281.17

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Solution

The fourth proportional to 38,270.97, 52,822.50 and 21,281.17 is: 29,372.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,270.97 : 52,822.50 = 21,281.17 : x
  2. Step 2: Convert to fraction form
    38,270.97/52,822.50 = 21,281.17/x
  3. Step 3: Cross multiply
    38,270.97x = 52,822.50 × 21,281.17
  4. Step 4: Simplify right side
    38,270.97x = 1,124,124,602.33
  5. Step 5: Solve for x
    x = 1,124,124,602.33/38,270.97
  6. Step 6: Final answer
    x = 29,372.78

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Find fourth proportional to 38,271.97, 52,823.88 and 21,282.17
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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.