Home / 40,685.43-56,143.40-22,777.41

Finding the Fourth Proportional to 40,685.43, 56,143.40 and 22,777.41

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Solution

The fourth proportional to 40,685.43, 56,143.40 and 22,777.41 is: 31,431.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,685.43 : 56,143.40 = 22,777.41 : x
  2. Step 2: Convert to fraction form
    40,685.43/56,143.40 = 22,777.41/x
  3. Step 3: Cross multiply
    40,685.43x = 56,143.40 × 22,777.41
  4. Step 4: Simplify right side
    40,685.43x = 1,278,801,126.71
  5. Step 5: Solve for x
    x = 1,278,801,126.71/40,685.43
  6. Step 6: Final answer
    x = 31,431.43

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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.