Home / 61,321.28-84,621.36-34,463.12

Finding the Fourth Proportional to 61,321.28, 84,621.36 and 34,463.12

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Solution

The fourth proportional to 61,321.28, 84,621.36 and 34,463.12 is: 47,557.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,321.28 : 84,621.36 = 34,463.12 : x
  2. Step 2: Convert to fraction form
    61,321.28/84,621.36 = 34,463.12/x
  3. Step 3: Cross multiply
    61,321.28x = 84,621.36 × 34,463.12
  4. Step 4: Simplify right side
    61,321.28x = 2,916,316,084.24
  5. Step 5: Solve for x
    x = 2,916,316,084.24/61,321.28
  6. Step 6: Final answer
    x = 47,557.98

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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.