Home / 42,474.19-63,650.79-31,292.95

Finding the Fourth Proportional to 42,474.19, 63,650.79 and 31,292.95

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Solution

The fourth proportional to 42,474.19, 63,650.79 and 31,292.95 is: 46,894.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,474.19 : 63,650.79 = 31,292.95 : x
  2. Step 2: Convert to fraction form
    42,474.19/63,650.79 = 31,292.95/x
  3. Step 3: Cross multiply
    42,474.19x = 63,650.79 × 31,292.95
  4. Step 4: Simplify right side
    42,474.19x = 1,991,820,988.93
  5. Step 5: Solve for x
    x = 1,991,820,988.93/42,474.19
  6. Step 6: Final answer
    x = 46,894.86

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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.