Home / 49,557.12-74,335.22-12,117.35

Finding the Fourth Proportional to 49,557.12, 74,335.22 and 12,117.35

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Solution

The fourth proportional to 49,557.12, 74,335.22 and 12,117.35 is: 18,175.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,557.12 : 74,335.22 = 12,117.35 : x
  2. Step 2: Convert to fraction form
    49,557.12/74,335.22 = 12,117.35/x
  3. Step 3: Cross multiply
    49,557.12x = 74,335.22 × 12,117.35
  4. Step 4: Simplify right side
    49,557.12x = 900,745,630.62
  5. Step 5: Solve for x
    x = 900,745,630.62/49,557.12
  6. Step 6: Final answer
    x = 18,175.91

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.