Home / 48,399.98-72,618.75-18,838.58

Finding the Fourth Proportional to 48,399.98, 72,618.75 and 18,838.58

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Solution

The fourth proportional to 48,399.98, 72,618.75 and 18,838.58 is: 28,265.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,399.98 : 72,618.75 = 18,838.58 : x
  2. Step 2: Convert to fraction form
    48,399.98/72,618.75 = 18,838.58/x
  3. Step 3: Cross multiply
    48,399.98x = 72,618.75 × 18,838.58
  4. Step 4: Simplify right side
    48,399.98x = 1,368,034,131.38
  5. Step 5: Solve for x
    x = 1,368,034,131.38/48,399.98
  6. Step 6: Final answer
    x = 28,265.18

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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.