Home / 42,134.63-63,220.40-19,963.85

Finding the Fourth Proportional to 42,134.63, 63,220.40 and 19,963.85

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Solution

The fourth proportional to 42,134.63, 63,220.40 and 19,963.85 is: 29,954.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,134.63 : 63,220.40 = 19,963.85 : x
  2. Step 2: Convert to fraction form
    42,134.63/63,220.40 = 19,963.85/x
  3. Step 3: Cross multiply
    42,134.63x = 63,220.40 × 19,963.85
  4. Step 4: Simplify right side
    42,134.63x = 1,262,122,166.62
  5. Step 5: Solve for x
    x = 1,262,122,166.62/42,134.63
  6. Step 6: Final answer
    x = 29,954.51

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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.