Home / 40,180.23-60,278.55-12,100.20

Finding the Fourth Proportional to 40,180.23, 60,278.55 and 12,100.20

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Solution

The fourth proportional to 40,180.23, 60,278.55 and 12,100.20 is: 18,152.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,180.23 : 60,278.55 = 12,100.20 : x
  2. Step 2: Convert to fraction form
    40,180.23/60,278.55 = 12,100.20/x
  3. Step 3: Cross multiply
    40,180.23x = 60,278.55 × 12,100.20
  4. Step 4: Simplify right side
    40,180.23x = 729,382,510.71
  5. Step 5: Solve for x
    x = 729,382,510.71/40,180.23
  6. Step 6: Final answer
    x = 18,152.77

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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.