Home / 48,436.64-72,672.64-15,159.12

Finding the Fourth Proportional to 48,436.64, 72,672.64 and 15,159.12

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Solution

The fourth proportional to 48,436.64, 72,672.64 and 15,159.12 is: 22,744.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,436.64 : 72,672.64 = 15,159.12 : x
  2. Step 2: Convert to fraction form
    48,436.64/72,672.64 = 15,159.12/x
  3. Step 3: Cross multiply
    48,436.64x = 72,672.64 × 15,159.12
  4. Step 4: Simplify right side
    48,436.64x = 1,101,653,270.48
  5. Step 5: Solve for x
    x = 1,101,653,270.48/48,436.64
  6. Step 6: Final answer
    x = 22,744.21

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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.