Home / 40,675.86-56,132.10-22,770.78

Finding the Fourth Proportional to 40,675.86, 56,132.10 and 22,770.78

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Solution

The fourth proportional to 40,675.86, 56,132.10 and 22,770.78 is: 31,423.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,675.86 : 56,132.10 = 22,770.78 : x
  2. Step 2: Convert to fraction form
    40,675.86/56,132.10 = 22,770.78/x
  3. Step 3: Cross multiply
    40,675.86x = 56,132.10 × 22,770.78
  4. Step 4: Simplify right side
    40,675.86x = 1,278,171,700.04
  5. Step 5: Solve for x
    x = 1,278,171,700.04/40,675.86
  6. Step 6: Final answer
    x = 31,423.35

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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.