Home / 38,444.64-57,666.60-12,149.38

Finding the Fourth Proportional to 38,444.64, 57,666.60 and 12,149.38

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Solution

The fourth proportional to 38,444.64, 57,666.60 and 12,149.38 is: 18,223.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,444.64 : 57,666.60 = 12,149.38 : x
  2. Step 2: Convert to fraction form
    38,444.64/57,666.60 = 12,149.38/x
  3. Step 3: Cross multiply
    38,444.64x = 57,666.60 × 12,149.38
  4. Step 4: Simplify right side
    38,444.64x = 700,613,436.71
  5. Step 5: Solve for x
    x = 700,613,436.71/38,444.64
  6. Step 6: Final answer
    x = 18,223.96

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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.