Home / 52,375.64-72,278.25-28,502.31

Finding the Fourth Proportional to 52,375.64, 72,278.25 and 28,502.31

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Solution

The fourth proportional to 52,375.64, 72,278.25 and 28,502.31 is: 39,333.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,375.64 : 72,278.25 = 28,502.31 : x
  2. Step 2: Convert to fraction form
    52,375.64/72,278.25 = 28,502.31/x
  3. Step 3: Cross multiply
    52,375.64x = 72,278.25 × 28,502.31
  4. Step 4: Simplify right side
    52,375.64x = 2,060,096,583.85
  5. Step 5: Solve for x
    x = 2,060,096,583.85/52,375.64
  6. Step 6: Final answer
    x = 39,333.11

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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.