Home / 42,149.04-63,223.56-28,961.46

Finding the Fourth Proportional to 42,149.04, 63,223.56 and 28,961.46

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Solution

The fourth proportional to 42,149.04, 63,223.56 and 28,961.46 is: 43,442.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,149.04 : 63,223.56 = 28,961.46 : x
  2. Step 2: Convert to fraction form
    42,149.04/63,223.56 = 28,961.46/x
  3. Step 3: Cross multiply
    42,149.04x = 63,223.56 × 28,961.46
  4. Step 4: Simplify right side
    42,149.04x = 1,831,046,604.00
  5. Step 5: Solve for x
    x = 1,831,046,604.00/42,149.04
  6. Step 6: Final answer
    x = 43,442.19

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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.