Home / 40,681.76-56,140.22-22,776.74

Finding the Fourth Proportional to 40,681.76, 56,140.22 and 22,776.74

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Solution

The fourth proportional to 40,681.76, 56,140.22 and 22,776.74 is: 31,431.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,681.76 : 56,140.22 = 22,776.74 : x
  2. Step 2: Convert to fraction form
    40,681.76/56,140.22 = 22,776.74/x
  3. Step 3: Cross multiply
    40,681.76x = 56,140.22 × 22,776.74
  4. Step 4: Simplify right side
    40,681.76x = 1,278,691,194.48
  5. Step 5: Solve for x
    x = 1,278,691,194.48/40,681.76
  6. Step 6: Final answer
    x = 31,431.56

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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.