Home / 40,142.10-60,180.24-15,167.94

Finding the Fourth Proportional to 40,142.10, 60,180.24 and 15,167.94

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Solution

The fourth proportional to 40,142.10, 60,180.24 and 15,167.94 is: 22,739.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,142.10 : 60,180.24 = 15,167.94 : x
  2. Step 2: Convert to fraction form
    40,142.10/60,180.24 = 15,167.94/x
  3. Step 3: Cross multiply
    40,142.10x = 60,180.24 × 15,167.94
  4. Step 4: Simplify right side
    40,142.10x = 912,810,269.51
  5. Step 5: Solve for x
    x = 912,810,269.51/40,142.10
  6. Step 6: Final answer
    x = 22,739.47

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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.