Home / 40,787.90-61,140.54-27,641.60

Finding the Fourth Proportional to 40,787.90, 61,140.54 and 27,641.60

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Solution

The fourth proportional to 40,787.90, 61,140.54 and 27,641.60 is: 41,434.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,787.90 : 61,140.54 = 27,641.60 : x
  2. Step 2: Convert to fraction form
    40,787.90/61,140.54 = 27,641.60/x
  3. Step 3: Cross multiply
    40,787.90x = 61,140.54 × 27,641.60
  4. Step 4: Simplify right side
    40,787.90x = 1,690,022,350.46
  5. Step 5: Solve for x
    x = 1,690,022,350.46/40,787.90
  6. Step 6: Final answer
    x = 41,434.40

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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.