Home / 45,129.22-67,693.61-11,395.31

Finding the Fourth Proportional to 45,129.22, 67,693.61 and 11,395.31

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Solution

The fourth proportional to 45,129.22, 67,693.61 and 11,395.31 is: 17,092.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,129.22 : 67,693.61 = 11,395.31 : x
  2. Step 2: Convert to fraction form
    45,129.22/67,693.61 = 11,395.31/x
  3. Step 3: Cross multiply
    45,129.22x = 67,693.61 × 11,395.31
  4. Step 4: Simplify right side
    45,129.22x = 771,389,360.99
  5. Step 5: Solve for x
    x = 771,389,360.99/45,129.22
  6. Step 6: Final answer
    x = 17,092.90

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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.