Home / 40,687.68-56,146.50-22,779.66

Finding the Fourth Proportional to 40,687.68, 56,146.50 and 22,779.66

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Solution

The fourth proportional to 40,687.68, 56,146.50 and 22,779.66 is: 31,434.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,687.68 : 56,146.50 = 22,779.66 : x
  2. Step 2: Convert to fraction form
    40,687.68/56,146.50 = 22,779.66/x
  3. Step 3: Cross multiply
    40,687.68x = 56,146.50 × 22,779.66
  4. Step 4: Simplify right side
    40,687.68x = 1,278,998,180.19
  5. Step 5: Solve for x
    x = 1,278,998,180.19/40,687.68
  6. Step 6: Final answer
    x = 31,434.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.