Home / 38,167.62-52,671.30-21,400.62

Finding the Fourth Proportional to 38,167.62, 52,671.30 and 21,400.62

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Solution

The fourth proportional to 38,167.62, 52,671.30 and 21,400.62 is: 29,532.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,167.62 : 52,671.30 = 21,400.62 : x
  2. Step 2: Convert to fraction form
    38,167.62/52,671.30 = 21,400.62/x
  3. Step 3: Cross multiply
    38,167.62x = 52,671.30 × 21,400.62
  4. Step 4: Simplify right side
    38,167.62x = 1,127,198,476.21
  5. Step 5: Solve for x
    x = 1,127,198,476.21/38,167.62
  6. Step 6: Final answer
    x = 29,532.85

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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.