Home / 55,324.40-82,864.68-45,727.76

Finding the Fourth Proportional to 55,324.40, 82,864.68 and 45,727.76

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Solution

The fourth proportional to 55,324.40, 82,864.68 and 45,727.76 is: 68,490.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,324.40 : 82,864.68 = 45,727.76 : x
  2. Step 2: Convert to fraction form
    55,324.40/82,864.68 = 45,727.76/x
  3. Step 3: Cross multiply
    55,324.40x = 82,864.68 × 45,727.76
  4. Step 4: Simplify right side
    55,324.40x = 3,789,216,199.52
  5. Step 5: Solve for x
    x = 3,789,216,199.52/55,324.40
  6. Step 6: Final answer
    x = 68,490.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.