Home / 49,680.18-74,531.16-21,604.59

Finding the Fourth Proportional to 49,680.18, 74,531.16 and 21,604.59

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Solution

The fourth proportional to 49,680.18, 74,531.16 and 21,604.59 is: 32,411.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,680.18 : 74,531.16 = 21,604.59 : x
  2. Step 2: Convert to fraction form
    49,680.18/74,531.16 = 21,604.59/x
  3. Step 3: Cross multiply
    49,680.18x = 74,531.16 × 21,604.59
  4. Step 4: Simplify right side
    49,680.18x = 1,610,215,154.02
  5. Step 5: Solve for x
    x = 1,610,215,154.02/49,680.18
  6. Step 6: Final answer
    x = 32,411.62

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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.