Home / 40,787.02-61,155.92-18,293.60

Finding the Fourth Proportional to 40,787.02, 61,155.92 and 18,293.60

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Solution

The fourth proportional to 40,787.02, 61,155.92 and 18,293.60 is: 27,429.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,787.02 : 61,155.92 = 18,293.60 : x
  2. Step 2: Convert to fraction form
    40,787.02/61,155.92 = 18,293.60/x
  3. Step 3: Cross multiply
    40,787.02x = 61,155.92 × 18,293.60
  4. Step 4: Simplify right side
    40,787.02x = 1,118,761,938.11
  5. Step 5: Solve for x
    x = 1,118,761,938.11/40,787.02
  6. Step 6: Final answer
    x = 27,429.36

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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.