Home / 40,178.89-60,280.49-15,226.57

Finding the Fourth Proportional to 40,178.89, 60,280.49 and 15,226.57

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Solution

The fourth proportional to 40,178.89, 60,280.49 and 15,226.57 is: 22,844.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,178.89 : 60,280.49 = 15,226.57 : x
  2. Step 2: Convert to fraction form
    40,178.89/60,280.49 = 15,226.57/x
  3. Step 3: Cross multiply
    40,178.89x = 60,280.49 × 15,226.57
  4. Step 4: Simplify right side
    40,178.89x = 917,865,100.62
  5. Step 5: Solve for x
    x = 917,865,100.62/40,178.89
  6. Step 6: Final answer
    x = 22,844.46

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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.