Home / 48,387.15-72,578.88-13,325.88

Finding the Fourth Proportional to 48,387.15, 72,578.88 and 13,325.88

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Solution

The fourth proportional to 48,387.15, 72,578.88 and 13,325.88 is: 19,988.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,387.15 : 72,578.88 = 13,325.88 : x
  2. Step 2: Convert to fraction form
    48,387.15/72,578.88 = 13,325.88/x
  3. Step 3: Cross multiply
    48,387.15x = 72,578.88 × 13,325.88
  4. Step 4: Simplify right side
    48,387.15x = 967,177,445.41
  5. Step 5: Solve for x
    x = 967,177,445.41/48,387.15
  6. Step 6: Final answer
    x = 19,988.31

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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.