Home / 40,390.42-55,730.34-24,471.76

Finding the Fourth Proportional to 40,390.42, 55,730.34 and 24,471.76

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Solution

The fourth proportional to 40,390.42, 55,730.34 and 24,471.76 is: 33,765.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,390.42 : 55,730.34 = 24,471.76 : x
  2. Step 2: Convert to fraction form
    40,390.42/55,730.34 = 24,471.76/x
  3. Step 3: Cross multiply
    40,390.42x = 55,730.34 × 24,471.76
  4. Step 4: Simplify right side
    40,390.42x = 1,363,819,505.20
  5. Step 5: Solve for x
    x = 1,363,819,505.20/40,390.42
  6. Step 6: Final answer
    x = 33,765.92

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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.