Home / 71,486.02-107,229.80-21,566.55

Finding the Fourth Proportional to 71,486.02, 107,229.80 and 21,566.55

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Solution

The fourth proportional to 71,486.02, 107,229.80 and 21,566.55 is: 32,350.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,486.02 : 107,229.80 = 21,566.55 : x
  2. Step 2: Convert to fraction form
    71,486.02/107,229.80 = 21,566.55/x
  3. Step 3: Cross multiply
    71,486.02x = 107,229.80 × 21,566.55
  4. Step 4: Simplify right side
    71,486.02x = 2,312,577,299.22
  5. Step 5: Solve for x
    x = 2,312,577,299.22/71,486.02
  6. Step 6: Final answer
    x = 32,350.06

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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.