Home / 40,491.01-60,739.55-18,316.86

Finding the Fourth Proportional to 40,491.01, 60,739.55 and 18,316.86

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Solution

The fourth proportional to 40,491.01, 60,739.55 and 18,316.86 is: 27,476.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,491.01 : 60,739.55 = 18,316.86 : x
  2. Step 2: Convert to fraction form
    40,491.01/60,739.55 = 18,316.86/x
  3. Step 3: Cross multiply
    40,491.01x = 60,739.55 × 18,316.86
  4. Step 4: Simplify right side
    40,491.01x = 1,112,557,833.81
  5. Step 5: Solve for x
    x = 1,112,557,833.81/40,491.01
  6. Step 6: Final answer
    x = 27,476.66

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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.