Home / 38,890.60-58,406.30-34,052.20

Finding the Fourth Proportional to 38,890.60, 58,406.30 and 34,052.20

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Solution

The fourth proportional to 38,890.60, 58,406.30 and 34,052.20 is: 51,139.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,890.60 : 58,406.30 = 34,052.20 : x
  2. Step 2: Convert to fraction form
    38,890.60/58,406.30 = 34,052.20/x
  3. Step 3: Cross multiply
    38,890.60x = 58,406.30 × 34,052.20
  4. Step 4: Simplify right side
    38,890.60x = 1,988,863,008.86
  5. Step 5: Solve for x
    x = 1,988,863,008.86/38,890.60
  6. Step 6: Final answer
    x = 51,139.94

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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.