Home / 40,118.70-60,178.74-15,170.57

Finding the Fourth Proportional to 40,118.70, 60,178.74 and 15,170.57

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Solution

The fourth proportional to 40,118.70, 60,178.74 and 15,170.57 is: 22,756.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,118.70 : 60,178.74 = 15,170.57 : x
  2. Step 2: Convert to fraction form
    40,118.70/60,178.74 = 15,170.57/x
  3. Step 3: Cross multiply
    40,118.70x = 60,178.74 × 15,170.57
  4. Step 4: Simplify right side
    40,118.70x = 912,945,655.57
  5. Step 5: Solve for x
    x = 912,945,655.57/40,118.70
  6. Step 6: Final answer
    x = 22,756.11

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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.