Home / 30,231.27-45,354.60-17,761.86

Finding the Fourth Proportional to 30,231.27, 45,354.60 and 17,761.86

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Solution

The fourth proportional to 30,231.27, 45,354.60 and 17,761.86 is: 26,647.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,231.27 : 45,354.60 = 17,761.86 : x
  2. Step 2: Convert to fraction form
    30,231.27/45,354.60 = 17,761.86/x
  3. Step 3: Cross multiply
    30,231.27x = 45,354.60 × 17,761.86
  4. Step 4: Simplify right side
    30,231.27x = 805,582,055.56
  5. Step 5: Solve for x
    x = 805,582,055.56/30,231.27
  6. Step 6: Final answer
    x = 26,647.31

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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.