Home / 69,353.31-95,708.46-39,140.31

Finding the Fourth Proportional to 69,353.31, 95,708.46 and 39,140.31

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Solution

The fourth proportional to 69,353.31, 95,708.46 and 39,140.31 is: 54,014.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,353.31 : 95,708.46 = 39,140.31 : x
  2. Step 2: Convert to fraction form
    69,353.31/95,708.46 = 39,140.31/x
  3. Step 3: Cross multiply
    69,353.31x = 95,708.46 × 39,140.31
  4. Step 4: Simplify right side
    69,353.31x = 3,746,058,794.02
  5. Step 5: Solve for x
    x = 3,746,058,794.02/69,353.31
  6. Step 6: Final answer
    x = 54,014.13

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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.