Home / 55,871.42-83,789.22-18,423.08

Finding the Fourth Proportional to 55,871.42, 83,789.22 and 18,423.08

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Solution

The fourth proportional to 55,871.42, 83,789.22 and 18,423.08 is: 27,628.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,871.42 : 83,789.22 = 18,423.08 : x
  2. Step 2: Convert to fraction form
    55,871.42/83,789.22 = 18,423.08/x
  3. Step 3: Cross multiply
    55,871.42x = 83,789.22 × 18,423.08
  4. Step 4: Simplify right side
    55,871.42x = 1,543,655,503.20
  5. Step 5: Solve for x
    x = 1,543,655,503.20/55,871.42
  6. Step 6: Final answer
    x = 27,628.71

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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.