Home / 69,478.60-95,880.06-39,273.70

Finding the Fourth Proportional to 69,478.60, 95,880.06 and 39,273.70

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Solution

The fourth proportional to 69,478.60, 95,880.06 and 39,273.70 is: 54,197.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,478.60 : 95,880.06 = 39,273.70 : x
  2. Step 2: Convert to fraction form
    69,478.60/95,880.06 = 39,273.70/x
  3. Step 3: Cross multiply
    69,478.60x = 95,880.06 × 39,273.70
  4. Step 4: Simplify right side
    69,478.60x = 3,765,564,712.42
  5. Step 5: Solve for x
    x = 3,765,564,712.42/69,478.60
  6. Step 6: Final answer
    x = 54,197.48

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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.