Home / 39,001.38-53,821.91-21,096.52

Finding the Fourth Proportional to 39,001.38, 53,821.91 and 21,096.52

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Solution

The fourth proportional to 39,001.38, 53,821.91 and 21,096.52 is: 29,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,001.38 : 53,821.91 = 21,096.52 : x
  2. Step 2: Convert to fraction form
    39,001.38/53,821.91 = 21,096.52/x
  3. Step 3: Cross multiply
    39,001.38x = 53,821.91 × 21,096.52
  4. Step 4: Simplify right side
    39,001.38x = 1,135,455,000.75
  5. Step 5: Solve for x
    x = 1,135,455,000.75/39,001.38
  6. Step 6: Final answer
    x = 29,113.20

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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.