Home / 41,860.04-62,790.55-12,278.45

Finding the Fourth Proportional to 41,860.04, 62,790.55 and 12,278.45

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Solution

The fourth proportional to 41,860.04, 62,790.55 and 12,278.45 is: 18,417.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,860.04 : 62,790.55 = 12,278.45 : x
  2. Step 2: Convert to fraction form
    41,860.04/62,790.55 = 12,278.45/x
  3. Step 3: Cross multiply
    41,860.04x = 62,790.55 × 12,278.45
  4. Step 4: Simplify right side
    41,860.04x = 770,970,754.93
  5. Step 5: Solve for x
    x = 770,970,754.93/41,860.04
  6. Step 6: Final answer
    x = 18,417.82

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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.