Home / 30,166.52-41,631.20-18,842.72

Finding the Fourth Proportional to 30,166.52, 41,631.20 and 18,842.72

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Solution

The fourth proportional to 30,166.52, 41,631.20 and 18,842.72 is: 26,003.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,166.52 : 41,631.20 = 18,842.72 : x
  2. Step 2: Convert to fraction form
    30,166.52/41,631.20 = 18,842.72/x
  3. Step 3: Cross multiply
    30,166.52x = 41,631.20 × 18,842.72
  4. Step 4: Simplify right side
    30,166.52x = 784,445,044.86
  5. Step 5: Solve for x
    x = 784,445,044.86/30,166.52
  6. Step 6: Final answer
    x = 26,003.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.