Home / 43,857.30-65,731.95-29,817.30

Finding the Fourth Proportional to 43,857.30, 65,731.95 and 29,817.30

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Solution

The fourth proportional to 43,857.30, 65,731.95 and 29,817.30 is: 44,689.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,857.30 : 65,731.95 = 29,817.30 : x
  2. Step 2: Convert to fraction form
    43,857.30/65,731.95 = 29,817.30/x
  3. Step 3: Cross multiply
    43,857.30x = 65,731.95 × 29,817.30
  4. Step 4: Simplify right side
    43,857.30x = 1,959,949,272.74
  5. Step 5: Solve for x
    x = 1,959,949,272.74/43,857.30
  6. Step 6: Final answer
    x = 44,689.24

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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.