Home / 40,680.96-56,140.20-22,777.53

Finding the Fourth Proportional to 40,680.96, 56,140.20 and 22,777.53

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Solution

The fourth proportional to 40,680.96, 56,140.20 and 22,777.53 is: 31,433.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,680.96 : 56,140.20 = 22,777.53 : x
  2. Step 2: Convert to fraction form
    40,680.96/56,140.20 = 22,777.53/x
  3. Step 3: Cross multiply
    40,680.96x = 56,140.20 × 22,777.53
  4. Step 4: Simplify right side
    40,680.96x = 1,278,735,089.71
  5. Step 5: Solve for x
    x = 1,278,735,089.71/40,680.96
  6. Step 6: Final answer
    x = 31,433.26

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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.