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Finding the Fourth Proportional to 40,680.01, 61,029.22 and 21,959.65

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Solution

The fourth proportional to 40,680.01, 61,029.22 and 21,959.65 is: 32,944.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,680.01 : 61,029.22 = 21,959.65 : x
  2. Step 2: Convert to fraction form
    40,680.01/61,029.22 = 21,959.65/x
  3. Step 3: Cross multiply
    40,680.01x = 61,029.22 × 21,959.65
  4. Step 4: Simplify right side
    40,680.01x = 1,340,180,263.65
  5. Step 5: Solve for x
    x = 1,340,180,263.65/40,680.01
  6. Step 6: Final answer
    x = 32,944.44

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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.