Home / 69,338.60-95,687.28-39,130.32

Finding the Fourth Proportional to 69,338.60, 95,687.28 and 39,130.32

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Solution

The fourth proportional to 69,338.60, 95,687.28 and 39,130.32 is: 53,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,338.60 : 95,687.28 = 39,130.32 : x
  2. Step 2: Convert to fraction form
    69,338.60/95,687.28 = 39,130.32/x
  3. Step 3: Cross multiply
    69,338.60x = 95,687.28 × 39,130.32
  4. Step 4: Simplify right side
    69,338.60x = 3,744,273,886.33
  5. Step 5: Solve for x
    x = 3,744,273,886.33/69,338.60
  6. Step 6: Final answer
    x = 53,999.85

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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.