Home / 70,270.38-105,412.96-22,889.17

Finding the Fourth Proportional to 70,270.38, 105,412.96 and 22,889.17

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Solution

The fourth proportional to 70,270.38, 105,412.96 and 22,889.17 is: 34,336.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,270.38 : 105,412.96 = 22,889.17 : x
  2. Step 2: Convert to fraction form
    70,270.38/105,412.96 = 22,889.17/x
  3. Step 3: Cross multiply
    70,270.38x = 105,412.96 × 22,889.17
  4. Step 4: Simplify right side
    70,270.38x = 2,412,815,161.64
  5. Step 5: Solve for x
    x = 2,412,815,161.64/70,270.38
  6. Step 6: Final answer
    x = 34,336.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.