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Finding the Fourth Proportional to 69,448.02, 95,854.00 and 39,250.86

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Solution

The fourth proportional to 69,448.02, 95,854.00 and 39,250.86 is: 54,175.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,448.02 : 95,854.00 = 39,250.86 : x
  2. Step 2: Convert to fraction form
    69,448.02/95,854.00 = 39,250.86/x
  3. Step 3: Cross multiply
    69,448.02x = 95,854.00 × 39,250.86
  4. Step 4: Simplify right side
    69,448.02x = 3,762,352,120.08
  5. Step 5: Solve for x
    x = 3,762,352,120.08/69,448.02
  6. Step 6: Final answer
    x = 54,175.08

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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.