Home / 42,498-63,718.25-23,790.95

Finding the Fourth Proportional to 42,498, 63,718.25 and 23,790.95

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Solution

The fourth proportional to 42,498, 63,718.25 and 23,790.95 is: 35,670.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,498 : 63,718.25 = 23,790.95 : x
  2. Step 2: Convert to fraction form
    42,498/63,718.25 = 23,790.95/x
  3. Step 3: Cross multiply
    42,498x = 63,718.25 × 23,790.95
  4. Step 4: Simplify right side
    42,498x = 1,515,917,262.29
  5. Step 5: Solve for x
    x = 1,515,917,262.29/42,498
  6. Step 6: Final answer
    x = 35,670.32

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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.