Home / 68,338.46-102,507.08-21,591.34

Finding the Fourth Proportional to 68,338.46, 102,507.08 and 21,591.34

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Solution

The fourth proportional to 68,338.46, 102,507.08 and 21,591.34 is: 32,386.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,338.46 : 102,507.08 = 21,591.34 : x
  2. Step 2: Convert to fraction form
    68,338.46/102,507.08 = 21,591.34/x
  3. Step 3: Cross multiply
    68,338.46x = 102,507.08 × 21,591.34
  4. Step 4: Simplify right side
    68,338.46x = 2,213,265,216.69
  5. Step 5: Solve for x
    x = 2,213,265,216.69/68,338.46
  6. Step 6: Final answer
    x = 32,386.82

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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.