Home / 69,147.36-95,423.92-39,341.28

Finding the Fourth Proportional to 69,147.36, 95,423.92 and 39,341.28

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Solution

The fourth proportional to 69,147.36, 95,423.92 and 39,341.28 is: 54,291.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,147.36 : 95,423.92 = 39,341.28 : x
  2. Step 2: Convert to fraction form
    69,147.36/95,423.92 = 39,341.28/x
  3. Step 3: Cross multiply
    69,147.36x = 95,423.92 × 39,341.28
  4. Step 4: Simplify right side
    69,147.36x = 3,754,099,155.42
  5. Step 5: Solve for x
    x = 3,754,099,155.42/69,147.36
  6. Step 6: Final answer
    x = 54,291.29

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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.