Home / 51,560.32-71,159.13-28,905.42

Finding the Fourth Proportional to 51,560.32, 71,159.13 and 28,905.42

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Solution

The fourth proportional to 51,560.32, 71,159.13 and 28,905.42 is: 39,892.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,560.32 : 71,159.13 = 28,905.42 : x
  2. Step 2: Convert to fraction form
    51,560.32/71,159.13 = 28,905.42/x
  3. Step 3: Cross multiply
    51,560.32x = 71,159.13 × 28,905.42
  4. Step 4: Simplify right side
    51,560.32x = 2,056,884,539.48
  5. Step 5: Solve for x
    x = 2,056,884,539.48/51,560.32
  6. Step 6: Final answer
    x = 39,892.78

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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.