Home / 55,409.92-83,123.06-20,346.85

Finding the Fourth Proportional to 55,409.92, 83,123.06 and 20,346.85

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Solution

The fourth proportional to 55,409.92, 83,123.06 and 20,346.85 is: 30,523.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,409.92 : 83,123.06 = 20,346.85 : x
  2. Step 2: Convert to fraction form
    55,409.92/83,123.06 = 20,346.85/x
  3. Step 3: Cross multiply
    55,409.92x = 83,123.06 × 20,346.85
  4. Step 4: Simplify right side
    55,409.92x = 1,691,292,082.41
  5. Step 5: Solve for x
    x = 1,691,292,082.41/55,409.92
  6. Step 6: Final answer
    x = 30,523.27

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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.