Home / 40,135.93-60,171.05-15,161.81

Finding the Fourth Proportional to 40,135.93, 60,171.05 and 15,161.81

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Solution

The fourth proportional to 40,135.93, 60,171.05 and 15,161.81 is: 22,730.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,135.93 : 60,171.05 = 15,161.81 : x
  2. Step 2: Convert to fraction form
    40,135.93/60,171.05 = 15,161.81/x
  3. Step 3: Cross multiply
    40,135.93x = 60,171.05 × 15,161.81
  4. Step 4: Simplify right side
    40,135.93x = 912,301,764.65
  5. Step 5: Solve for x
    x = 912,301,764.65/40,135.93
  6. Step 6: Final answer
    x = 22,730.30

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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.