Home / 69,629.76-96,088.32-39,414.60

Finding the Fourth Proportional to 69,629.76, 96,088.32 and 39,414.60

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Solution

The fourth proportional to 69,629.76, 96,088.32 and 39,414.60 is: 54,391.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,629.76 : 96,088.32 = 39,414.60 : x
  2. Step 2: Convert to fraction form
    69,629.76/96,088.32 = 39,414.60/x
  3. Step 3: Cross multiply
    69,629.76x = 96,088.32 × 39,414.60
  4. Step 4: Simplify right side
    69,629.76x = 3,787,282,697.47
  5. Step 5: Solve for x
    x = 3,787,282,697.47/69,629.76
  6. Step 6: Final answer
    x = 54,391.72

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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.