Home / 69,142.80-95,418.87-38,929.23

Finding the Fourth Proportional to 69,142.80, 95,418.87 and 38,929.23

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Solution

The fourth proportional to 69,142.80, 95,418.87 and 38,929.23 is: 53,723.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,142.80 : 95,418.87 = 38,929.23 : x
  2. Step 2: Convert to fraction form
    69,142.80/95,418.87 = 38,929.23/x
  3. Step 3: Cross multiply
    69,142.80x = 95,418.87 × 38,929.23
  4. Step 4: Simplify right side
    69,142.80x = 3,714,583,136.57
  5. Step 5: Solve for x
    x = 3,714,583,136.57/69,142.80
  6. Step 6: Final answer
    x = 53,723.35

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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.