Home / 68,836.84-103,259.10-19,585

Finding the Fourth Proportional to 68,836.84, 103,259.10 and 19,585

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Solution

The fourth proportional to 68,836.84, 103,259.10 and 19,585 is: 29,378.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,836.84 : 103,259.10 = 19,585 : x
  2. Step 2: Convert to fraction form
    68,836.84/103,259.10 = 19,585/x
  3. Step 3: Cross multiply
    68,836.84x = 103,259.10 × 19,585
  4. Step 4: Simplify right side
    68,836.84x = 2,022,329,473.50
  5. Step 5: Solve for x
    x = 2,022,329,473.50/68,836.84
  6. Step 6: Final answer
    x = 29,378.59

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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.