Home / 68,384.95-102,567.16-21,631.75

Finding the Fourth Proportional to 68,384.95, 102,567.16 and 21,631.75

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Solution

The fourth proportional to 68,384.95, 102,567.16 and 21,631.75 is: 32,444.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,384.95 : 102,567.16 = 21,631.75 : x
  2. Step 2: Convert to fraction form
    68,384.95/102,567.16 = 21,631.75/x
  3. Step 3: Cross multiply
    68,384.95x = 102,567.16 × 21,631.75
  4. Step 4: Simplify right side
    68,384.95x = 2,218,707,163.33
  5. Step 5: Solve for x
    x = 2,218,707,163.33/68,384.95
  6. Step 6: Final answer
    x = 32,444.38

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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.