Home / 42,121.67-63,182.71-17,161.95

Finding the Fourth Proportional to 42,121.67, 63,182.71 and 17,161.95

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Solution

The fourth proportional to 42,121.67, 63,182.71 and 17,161.95 is: 25,743.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,121.67 : 63,182.71 = 17,161.95 : x
  2. Step 2: Convert to fraction form
    42,121.67/63,182.71 = 17,161.95/x
  3. Step 3: Cross multiply
    42,121.67x = 63,182.71 × 17,161.95
  4. Step 4: Simplify right side
    42,121.67x = 1,084,338,509.88
  5. Step 5: Solve for x
    x = 1,084,338,509.88/42,121.67
  6. Step 6: Final answer
    x = 25,743.01

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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.