Home / 41,721.05-62,560.78-13,637.45

Finding the Fourth Proportional to 41,721.05, 62,560.78 and 13,637.45

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Solution

The fourth proportional to 41,721.05, 62,560.78 and 13,637.45 is: 20,449.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,721.05 : 62,560.78 = 13,637.45 : x
  2. Step 2: Convert to fraction form
    41,721.05/62,560.78 = 13,637.45/x
  3. Step 3: Cross multiply
    41,721.05x = 62,560.78 × 13,637.45
  4. Step 4: Simplify right side
    41,721.05x = 853,169,162.31
  5. Step 5: Solve for x
    x = 853,169,162.31/41,721.05
  6. Step 6: Final answer
    x = 20,449.37

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1.5x scale

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.