Home / 72,248.15-108,295.99-38,959.18

Finding the Fourth Proportional to 72,248.15, 108,295.99 and 38,959.18

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Solution

The fourth proportional to 72,248.15, 108,295.99 and 38,959.18 is: 58,397.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,248.15 : 108,295.99 = 38,959.18 : x
  2. Step 2: Convert to fraction form
    72,248.15/108,295.99 = 38,959.18/x
  3. Step 3: Cross multiply
    72,248.15x = 108,295.99 × 38,959.18
  4. Step 4: Simplify right side
    72,248.15x = 4,219,122,599.55
  5. Step 5: Solve for x
    x = 4,219,122,599.55/72,248.15
  6. Step 6: Final answer
    x = 58,397.65

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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.