Home / 55,854.68-83,732.20-20,770.34

Finding the Fourth Proportional to 55,854.68, 83,732.20 and 20,770.34

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Solution

The fourth proportional to 55,854.68, 83,732.20 and 20,770.34 is: 31,136.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,854.68 : 83,732.20 = 20,770.34 : x
  2. Step 2: Convert to fraction form
    55,854.68/83,732.20 = 20,770.34/x
  3. Step 3: Cross multiply
    55,854.68x = 83,732.20 × 20,770.34
  4. Step 4: Simplify right side
    55,854.68x = 1,739,145,792.36
  5. Step 5: Solve for x
    x = 1,739,145,792.36/55,854.68
  6. Step 6: Final answer
    x = 31,136.98

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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.