Home / 40,771.06-61,077.00-28,090.90

Finding the Fourth Proportional to 40,771.06, 61,077.00 and 28,090.90

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Solution

The fourth proportional to 40,771.06, 61,077.00 and 28,090.90 is: 42,081.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,771.06 : 61,077.00 = 28,090.90 : x
  2. Step 2: Convert to fraction form
    40,771.06/61,077.00 = 28,090.90/x
  3. Step 3: Cross multiply
    40,771.06x = 61,077.00 × 28,090.90
  4. Step 4: Simplify right side
    40,771.06x = 1,715,707,453.46
  5. Step 5: Solve for x
    x = 1,715,707,453.46/40,771.06
  6. Step 6: Final answer
    x = 42,081.51

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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.