Home / 40,076.86-60,123.87-11,999.08

Finding the Fourth Proportional to 40,076.86, 60,123.87 and 11,999.08

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Solution

The fourth proportional to 40,076.86, 60,123.87 and 11,999.08 is: 18,001.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,076.86 : 60,123.87 = 11,999.08 : x
  2. Step 2: Convert to fraction form
    40,076.86/60,123.87 = 11,999.08/x
  3. Step 3: Cross multiply
    40,076.86x = 60,123.87 × 11,999.08
  4. Step 4: Simplify right side
    40,076.86x = 721,431,126.04
  5. Step 5: Solve for x
    x = 721,431,126.04/40,076.86
  6. Step 6: Final answer
    x = 18,001.19

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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.