Home / 45,977.96-68,959.92-21,956.12

Finding the Fourth Proportional to 45,977.96, 68,959.92 and 21,956.12

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Solution

The fourth proportional to 45,977.96, 68,959.92 and 21,956.12 is: 32,930.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,977.96 : 68,959.92 = 21,956.12 : x
  2. Step 2: Convert to fraction form
    45,977.96/68,959.92 = 21,956.12/x
  3. Step 3: Cross multiply
    45,977.96x = 68,959.92 × 21,956.12
  4. Step 4: Simplify right side
    45,977.96x = 1,514,092,278.71
  5. Step 5: Solve for x
    x = 1,514,092,278.71/45,977.96
  6. Step 6: Final answer
    x = 32,930.83

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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.