Home / 39,199.38-54,095.54-21,294.72

Finding the Fourth Proportional to 39,199.38, 54,095.54 and 21,294.72

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Solution

The fourth proportional to 39,199.38, 54,095.54 and 21,294.72 is: 29,386.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,199.38 : 54,095.54 = 21,294.72 : x
  2. Step 2: Convert to fraction form
    39,199.38/54,095.54 = 21,294.72/x
  3. Step 3: Cross multiply
    39,199.38x = 54,095.54 × 21,294.72
  4. Step 4: Simplify right side
    39,199.38x = 1,151,949,377.55
  5. Step 5: Solve for x
    x = 1,151,949,377.55/39,199.38
  6. Step 6: Final answer
    x = 29,386.93

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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.