Home / 69,872.40-96,423.92-38,041.28

Finding the Fourth Proportional to 69,872.40, 96,423.92 and 38,041.28

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Solution

The fourth proportional to 69,872.40, 96,423.92 and 38,041.28 is: 52,496.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,872.40 : 96,423.92 = 38,041.28 : x
  2. Step 2: Convert to fraction form
    69,872.40/96,423.92 = 38,041.28/x
  3. Step 3: Cross multiply
    69,872.40x = 96,423.92 × 38,041.28
  4. Step 4: Simplify right side
    69,872.40x = 3,668,089,339.42
  5. Step 5: Solve for x
    x = 3,668,089,339.42/69,872.40
  6. Step 6: Final answer
    x = 52,496.97

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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.