Home / 43,148.14-64,636.05-34,278.49

Finding the Fourth Proportional to 43,148.14, 64,636.05 and 34,278.49

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Solution

The fourth proportional to 43,148.14, 64,636.05 and 34,278.49 is: 51,349.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,148.14 : 64,636.05 = 34,278.49 : x
  2. Step 2: Convert to fraction form
    43,148.14/64,636.05 = 34,278.49/x
  3. Step 3: Cross multiply
    43,148.14x = 64,636.05 × 34,278.49
  4. Step 4: Simplify right side
    43,148.14x = 2,215,626,193.56
  5. Step 5: Solve for x
    x = 2,215,626,193.56/43,148.14
  6. Step 6: Final answer
    x = 51,349.29

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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.