Home / 42,172.93-63,209.98-17,197.39

Finding the Fourth Proportional to 42,172.93, 63,209.98 and 17,197.39

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Solution

The fourth proportional to 42,172.93, 63,209.98 and 17,197.39 is: 25,775.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,172.93 : 63,209.98 = 17,197.39 : x
  2. Step 2: Convert to fraction form
    42,172.93/63,209.98 = 17,197.39/x
  3. Step 3: Cross multiply
    42,172.93x = 63,209.98 × 17,197.39
  4. Step 4: Simplify right side
    42,172.93x = 1,087,046,677.95
  5. Step 5: Solve for x
    x = 1,087,046,677.95/42,172.93
  6. Step 6: Final answer
    x = 25,775.93

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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.