Home / 68,359.22-102,538.19-21,612.10

Finding the Fourth Proportional to 68,359.22, 102,538.19 and 21,612.10

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Solution

The fourth proportional to 68,359.22, 102,538.19 and 21,612.10 is: 32,417.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,359.22 : 102,538.19 = 21,612.10 : x
  2. Step 2: Convert to fraction form
    68,359.22/102,538.19 = 21,612.10/x
  3. Step 3: Cross multiply
    68,359.22x = 102,538.19 × 21,612.10
  4. Step 4: Simplify right side
    68,359.22x = 2,216,065,616.10
  5. Step 5: Solve for x
    x = 2,216,065,616.10/68,359.22
  6. Step 6: Final answer
    x = 32,417.95

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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.