Home / 45,023.38-67,498.62-18,747.79

Finding the Fourth Proportional to 45,023.38, 67,498.62 and 18,747.79

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Solution

The fourth proportional to 45,023.38, 67,498.62 and 18,747.79 is: 28,106.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,023.38 : 67,498.62 = 18,747.79 : x
  2. Step 2: Convert to fraction form
    45,023.38/67,498.62 = 18,747.79/x
  3. Step 3: Cross multiply
    45,023.38x = 67,498.62 × 18,747.79
  4. Step 4: Simplify right side
    45,023.38x = 1,265,449,714.00
  5. Step 5: Solve for x
    x = 1,265,449,714.00/45,023.38
  6. Step 6: Final answer
    x = 28,106.50

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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.