Home / 40,684.60-56,142.06-22,779.44

Finding the Fourth Proportional to 40,684.60, 56,142.06 and 22,779.44

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Solution

The fourth proportional to 40,684.60, 56,142.06 and 22,779.44 is: 31,434.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,684.60 : 56,142.06 = 22,779.44 : x
  2. Step 2: Convert to fraction form
    40,684.60/56,142.06 = 22,779.44/x
  3. Step 3: Cross multiply
    40,684.60x = 56,142.06 × 22,779.44
  4. Step 4: Simplify right side
    40,684.60x = 1,278,884,687.25
  5. Step 5: Solve for x
    x = 1,278,884,687.25/40,684.60
  6. Step 6: Final answer
    x = 31,434.12

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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.