Home / 40,377.18-55,720.46-22,471.76

Finding the Fourth Proportional to 40,377.18, 55,720.46 and 22,471.76

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Solution

The fourth proportional to 40,377.18, 55,720.46 and 22,471.76 is: 31,011.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,377.18 : 55,720.46 = 22,471.76 : x
  2. Step 2: Convert to fraction form
    40,377.18/55,720.46 = 22,471.76/x
  3. Step 3: Cross multiply
    40,377.18x = 55,720.46 × 22,471.76
  4. Step 4: Simplify right side
    40,377.18x = 1,252,136,873.29
  5. Step 5: Solve for x
    x = 1,252,136,873.29/40,377.18
  6. Step 6: Final answer
    x = 31,011.00

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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.