Home / 69,125.81-95,395.40-38,912.22

Finding the Fourth Proportional to 69,125.81, 95,395.40 and 38,912.22

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Solution

The fourth proportional to 69,125.81, 95,395.40 and 38,912.22 is: 53,699.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,125.81 : 95,395.40 = 38,912.22 : x
  2. Step 2: Convert to fraction form
    69,125.81/95,395.40 = 38,912.22/x
  3. Step 3: Cross multiply
    69,125.81x = 95,395.40 × 38,912.22
  4. Step 4: Simplify right side
    69,125.81x = 3,712,046,791.79
  5. Step 5: Solve for x
    x = 3,712,046,791.79/69,125.81
  6. Step 6: Final answer
    x = 53,699.87

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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.