Home / 38,122.10-52,610.61-21,125.99

Finding the Fourth Proportional to 38,122.10, 52,610.61 and 21,125.99

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Solution

The fourth proportional to 38,122.10, 52,610.61 and 21,125.99 is: 29,155.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,122.10 : 52,610.61 = 21,125.99 : x
  2. Step 2: Convert to fraction form
    38,122.10/52,610.61 = 21,125.99/x
  3. Step 3: Cross multiply
    38,122.10x = 52,610.61 × 21,125.99
  4. Step 4: Simplify right side
    38,122.10x = 1,111,451,352.28
  5. Step 5: Solve for x
    x = 1,111,451,352.28/38,122.10
  6. Step 6: Final answer
    x = 29,155.04

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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.