Home / 58,921.28-88,381.92-34,280

Finding the Fourth Proportional to 58,921.28, 88,381.92 and 34,280

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Solution

The fourth proportional to 58,921.28, 88,381.92 and 34,280 is: 51,420

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,921.28 : 88,381.92 = 34,280 : x
  2. Step 2: Convert to fraction form
    58,921.28/88,381.92 = 34,280/x
  3. Step 3: Cross multiply
    58,921.28x = 88,381.92 × 34,280
  4. Step 4: Simplify right side
    58,921.28x = 3,029,732,217.60
  5. Step 5: Solve for x
    x = 3,029,732,217.60/58,921.28
  6. Step 6: Final answer
    x = 51,420

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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.