Home / 69,143.99-95,420.36-38,930.31

Finding the Fourth Proportional to 69,143.99, 95,420.36 and 38,930.31

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Solution

The fourth proportional to 69,143.99, 95,420.36 and 38,930.31 is: 53,724.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,143.99 : 95,420.36 = 38,930.31 : x
  2. Step 2: Convert to fraction form
    69,143.99/95,420.36 = 38,930.31/x
  3. Step 3: Cross multiply
    69,143.99x = 95,420.36 × 38,930.31
  4. Step 4: Simplify right side
    69,143.99x = 3,714,744,292.44
  5. Step 5: Solve for x
    x = 3,714,744,292.44/69,143.99
  6. Step 6: Final answer
    x = 53,724.76

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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.