Home / 40,559.97-60,840.09-12,479.83

Finding the Fourth Proportional to 40,559.97, 60,840.09 and 12,479.83

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Solution

The fourth proportional to 40,559.97, 60,840.09 and 12,479.83 is: 18,719.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,559.97 : 60,840.09 = 12,479.83 : x
  2. Step 2: Convert to fraction form
    40,559.97/60,840.09 = 12,479.83/x
  3. Step 3: Cross multiply
    40,559.97x = 60,840.09 × 12,479.83
  4. Step 4: Simplify right side
    40,559.97x = 759,273,980.38
  5. Step 5: Solve for x
    x = 759,273,980.38/40,559.97
  6. Step 6: Final answer
    x = 18,719.79

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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.