Home / 48,541.02-72,781.78-18,924.25

Finding the Fourth Proportional to 48,541.02, 72,781.78 and 18,924.25

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Solution

The fourth proportional to 48,541.02, 72,781.78 and 18,924.25 is: 28,374.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,541.02 : 72,781.78 = 18,924.25 : x
  2. Step 2: Convert to fraction form
    48,541.02/72,781.78 = 18,924.25/x
  3. Step 3: Cross multiply
    48,541.02x = 72,781.78 × 18,924.25
  4. Step 4: Simplify right side
    48,541.02x = 1,377,340,600.17
  5. Step 5: Solve for x
    x = 1,377,340,600.17/48,541.02
  6. Step 6: Final answer
    x = 28,374.78

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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.