Home / 55,142.28-82,712.14-17,700.84

Finding the Fourth Proportional to 55,142.28, 82,712.14 and 17,700.84

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Solution

The fourth proportional to 55,142.28, 82,712.14 and 17,700.84 is: 26,550.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,142.28 : 82,712.14 = 17,700.84 : x
  2. Step 2: Convert to fraction form
    55,142.28/82,712.14 = 17,700.84/x
  3. Step 3: Cross multiply
    55,142.28x = 82,712.14 × 17,700.84
  4. Step 4: Simplify right side
    55,142.28x = 1,464,074,356.20
  5. Step 5: Solve for x
    x = 1,464,074,356.20/55,142.28
  6. Step 6: Final answer
    x = 26,550.85

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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.