Home / 40,758.27-61,231.23-28,778.10

Finding the Fourth Proportional to 40,758.27, 61,231.23 and 28,778.10

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Solution

The fourth proportional to 40,758.27, 61,231.23 and 28,778.10 is: 43,233.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,758.27 : 61,231.23 = 28,778.10 : x
  2. Step 2: Convert to fraction form
    40,758.27/61,231.23 = 28,778.10/x
  3. Step 3: Cross multiply
    40,758.27x = 61,231.23 × 28,778.10
  4. Step 4: Simplify right side
    40,758.27x = 1,762,118,460.06
  5. Step 5: Solve for x
    x = 1,762,118,460.06/40,758.27
  6. Step 6: Final answer
    x = 43,233.40

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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.