Home / 38,281.01-52,830.17-21,285.38

Finding the Fourth Proportional to 38,281.01, 52,830.17 and 21,285.38

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Solution

The fourth proportional to 38,281.01, 52,830.17 and 21,285.38 is: 29,375.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,281.01 : 52,830.17 = 21,285.38 : x
  2. Step 2: Convert to fraction form
    38,281.01/52,830.17 = 21,285.38/x
  3. Step 3: Cross multiply
    38,281.01x = 52,830.17 × 21,285.38
  4. Step 4: Simplify right side
    38,281.01x = 1,124,510,469.11
  5. Step 5: Solve for x
    x = 1,124,510,469.11/38,281.01
  6. Step 6: Final answer
    x = 29,375.16

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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.