Home / 38,145.10-57,217.65-10,443.10

Finding the Fourth Proportional to 38,145.10, 57,217.65 and 10,443.10

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Solution

The fourth proportional to 38,145.10, 57,217.65 and 10,443.10 is: 15,664.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,145.10 : 57,217.65 = 10,443.10 : x
  2. Step 2: Convert to fraction form
    38,145.10/57,217.65 = 10,443.10/x
  3. Step 3: Cross multiply
    38,145.10x = 57,217.65 × 10,443.10
  4. Step 4: Simplify right side
    38,145.10x = 597,529,640.72
  5. Step 5: Solve for x
    x = 597,529,640.72/38,145.10
  6. Step 6: Final answer
    x = 15,664.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.