Home / 69,436.55-95,822.16-39,220.31

Finding the Fourth Proportional to 69,436.55, 95,822.16 and 39,220.31

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Solution

The fourth proportional to 69,436.55, 95,822.16 and 39,220.31 is: 54,123.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,436.55 : 95,822.16 = 39,220.31 : x
  2. Step 2: Convert to fraction form
    69,436.55/95,822.16 = 39,220.31/x
  3. Step 3: Cross multiply
    69,436.55x = 95,822.16 × 39,220.31
  4. Step 4: Simplify right side
    69,436.55x = 3,758,174,820.07
  5. Step 5: Solve for x
    x = 3,758,174,820.07/69,436.55
  6. Step 6: Final answer
    x = 54,123.87

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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.