Home / 38,982.15-58,373.60-21,432.69

Finding the Fourth Proportional to 38,982.15, 58,373.60 and 21,432.69

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Solution

The fourth proportional to 38,982.15, 58,373.60 and 21,432.69 is: 32,094.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,982.15 : 58,373.60 = 21,432.69 : x
  2. Step 2: Convert to fraction form
    38,982.15/58,373.60 = 21,432.69/x
  3. Step 3: Cross multiply
    38,982.15x = 58,373.60 × 21,432.69
  4. Step 4: Simplify right side
    38,982.15x = 1,251,103,165.82
  5. Step 5: Solve for x
    x = 1,251,103,165.82/38,982.15
  6. Step 6: Final answer
    x = 32,094.26

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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.