Home / 34,132.30-47,083.99-21,382.75

Finding the Fourth Proportional to 34,132.30, 47,083.99 and 21,382.75

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Solution

The fourth proportional to 34,132.30, 47,083.99 and 21,382.75 is: 29,496.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,132.30 : 47,083.99 = 21,382.75 : x
  2. Step 2: Convert to fraction form
    34,132.30/47,083.99 = 21,382.75/x
  3. Step 3: Cross multiply
    34,132.30x = 47,083.99 × 21,382.75
  4. Step 4: Simplify right side
    34,132.30x = 1,006,785,187.17
  5. Step 5: Solve for x
    x = 1,006,785,187.17/34,132.30
  6. Step 6: Final answer
    x = 29,496.55

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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.