Home / 40,541.88-60,811.02-12,460.80

Finding the Fourth Proportional to 40,541.88, 60,811.02 and 12,460.80

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Solution

The fourth proportional to 40,541.88, 60,811.02 and 12,460.80 is: 18,690.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,541.88 : 60,811.02 = 12,460.80 : x
  2. Step 2: Convert to fraction form
    40,541.88/60,811.02 = 12,460.80/x
  3. Step 3: Cross multiply
    40,541.88x = 60,811.02 × 12,460.80
  4. Step 4: Simplify right side
    40,541.88x = 757,753,958.02
  5. Step 5: Solve for x
    x = 757,753,958.02/40,541.88
  6. Step 6: Final answer
    x = 18,690.65

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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.