Home / 72,340.04-108,511.26-25,560.20

Finding the Fourth Proportional to 72,340.04, 108,511.26 and 25,560.20

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Solution

The fourth proportional to 72,340.04, 108,511.26 and 25,560.20 is: 38,340.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,340.04 : 108,511.26 = 25,560.20 : x
  2. Step 2: Convert to fraction form
    72,340.04/108,511.26 = 25,560.20/x
  3. Step 3: Cross multiply
    72,340.04x = 108,511.26 × 25,560.20
  4. Step 4: Simplify right side
    72,340.04x = 2,773,569,507.85
  5. Step 5: Solve for x
    x = 2,773,569,507.85/72,340.04
  6. Step 6: Final answer
    x = 38,340.72

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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.