Home / 50,155.00-75,220.11-20,581.29

Finding the Fourth Proportional to 50,155.00, 75,220.11 and 20,581.29

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Solution

The fourth proportional to 50,155.00, 75,220.11 and 20,581.29 is: 30,866.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,155.00 : 75,220.11 = 20,581.29 : x
  2. Step 2: Convert to fraction form
    50,155.00/75,220.11 = 20,581.29/x
  3. Step 3: Cross multiply
    50,155.00x = 75,220.11 × 20,581.29
  4. Step 4: Simplify right side
    50,155.00x = 1,548,126,897.74
  5. Step 5: Solve for x
    x = 1,548,126,897.74/50,155.00
  6. Step 6: Final answer
    x = 30,866.85

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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.