Home / 29,990.10-45,012.46-15,961.92

Finding the Fourth Proportional to 29,990.10, 45,012.46 and 15,961.92

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Solution

The fourth proportional to 29,990.10, 45,012.46 and 15,961.92 is: 23,957.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,990.10 : 45,012.46 = 15,961.92 : x
  2. Step 2: Convert to fraction form
    29,990.10/45,012.46 = 15,961.92/x
  3. Step 3: Cross multiply
    29,990.10x = 45,012.46 × 15,961.92
  4. Step 4: Simplify right side
    29,990.10x = 718,485,285.52
  5. Step 5: Solve for x
    x = 718,485,285.52/29,990.10
  6. Step 6: Final answer
    x = 23,957.42

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1.5x scale

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.