Home / 69,365.20-95,724.31-39,151.80

Finding the Fourth Proportional to 69,365.20, 95,724.31 and 39,151.80

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Solution

The fourth proportional to 69,365.20, 95,724.31 and 39,151.80 is: 54,029.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,365.20 : 95,724.31 = 39,151.80 : x
  2. Step 2: Convert to fraction form
    69,365.20/95,724.31 = 39,151.80/x
  3. Step 3: Cross multiply
    69,365.20x = 95,724.31 × 39,151.80
  4. Step 4: Simplify right side
    69,365.20x = 3,747,779,040.26
  5. Step 5: Solve for x
    x = 3,747,779,040.26/69,365.20
  6. Step 6: Final answer
    x = 54,029.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.