Home / 49,689.76-74,569.20-32,116

Finding the Fourth Proportional to 49,689.76, 74,569.20 and 32,116

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Solution

The fourth proportional to 49,689.76, 74,569.20 and 32,116 is: 48,196.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,689.76 : 74,569.20 = 32,116 : x
  2. Step 2: Convert to fraction form
    49,689.76/74,569.20 = 32,116/x
  3. Step 3: Cross multiply
    49,689.76x = 74,569.20 × 32,116
  4. Step 4: Simplify right side
    49,689.76x = 2,394,864,427.20
  5. Step 5: Solve for x
    x = 2,394,864,427.20/49,689.76
  6. Step 6: Final answer
    x = 48,196.34

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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.