Home / 38,397.18-52,944.20-31,207.42

Finding the Fourth Proportional to 38,397.18, 52,944.20 and 31,207.42

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Solution

The fourth proportional to 38,397.18, 52,944.20 and 31,207.42 is: 43,030.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,397.18 : 52,944.20 = 31,207.42 : x
  2. Step 2: Convert to fraction form
    38,397.18/52,944.20 = 31,207.42/x
  3. Step 3: Cross multiply
    38,397.18x = 52,944.20 × 31,207.42
  4. Step 4: Simplify right side
    38,397.18x = 1,652,251,831.62
  5. Step 5: Solve for x
    x = 1,652,251,831.62/38,397.18
  6. Step 6: Final answer
    x = 43,030.55

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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.