Home / 55,663.50-83,500.38-20,133.69

Finding the Fourth Proportional to 55,663.50, 83,500.38 and 20,133.69

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Solution

The fourth proportional to 55,663.50, 83,500.38 and 20,133.69 is: 30,202.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,663.50 : 83,500.38 = 20,133.69 : x
  2. Step 2: Convert to fraction form
    55,663.50/83,500.38 = 20,133.69/x
  3. Step 3: Cross multiply
    55,663.50x = 83,500.38 × 20,133.69
  4. Step 4: Simplify right side
    55,663.50x = 1,681,170,765.80
  5. Step 5: Solve for x
    x = 1,681,170,765.80/55,663.50
  6. Step 6: Final answer
    x = 30,202.39

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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.