Home / 49,374.16-74,061.24-21,672.40

Finding the Fourth Proportional to 49,374.16, 74,061.24 and 21,672.40

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Solution

The fourth proportional to 49,374.16, 74,061.24 and 21,672.40 is: 32,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,374.16 : 74,061.24 = 21,672.40 : x
  2. Step 2: Convert to fraction form
    49,374.16/74,061.24 = 21,672.40/x
  3. Step 3: Cross multiply
    49,374.16x = 74,061.24 × 21,672.40
  4. Step 4: Simplify right side
    49,374.16x = 1,605,084,817.78
  5. Step 5: Solve for x
    x = 1,605,084,817.78/49,374.16
  6. Step 6: Final answer
    x = 32,508.60

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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.