Home / 40,881.63-56,421.31-22,734.15

Finding the Fourth Proportional to 40,881.63, 56,421.31 and 22,734.15

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Solution

The fourth proportional to 40,881.63, 56,421.31 and 22,734.15 is: 31,375.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,881.63 : 56,421.31 = 22,734.15 : x
  2. Step 2: Convert to fraction form
    40,881.63/56,421.31 = 22,734.15/x
  3. Step 3: Cross multiply
    40,881.63x = 56,421.31 × 22,734.15
  4. Step 4: Simplify right side
    40,881.63x = 1,282,690,524.74
  5. Step 5: Solve for x
    x = 1,282,690,524.74/40,881.63
  6. Step 6: Final answer
    x = 31,375.72

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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.