Home / 71,656.12-107,499.64-21,740.24

Finding the Fourth Proportional to 71,656.12, 107,499.64 and 21,740.24

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Solution

The fourth proportional to 71,656.12, 107,499.64 and 21,740.24 is: 32,615.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,656.12 : 107,499.64 = 21,740.24 : x
  2. Step 2: Convert to fraction form
    71,656.12/107,499.64 = 21,740.24/x
  3. Step 3: Cross multiply
    71,656.12x = 107,499.64 × 21,740.24
  4. Step 4: Simplify right side
    71,656.12x = 2,337,067,381.66
  5. Step 5: Solve for x
    x = 2,337,067,381.66/71,656.12
  6. Step 6: Final answer
    x = 32,615.04

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1.5x scale

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.