Home / 68,956.08-103,434.12-19,034.52

Finding the Fourth Proportional to 68,956.08, 103,434.12 and 19,034.52

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Solution

The fourth proportional to 68,956.08, 103,434.12 and 19,034.52 is: 28,551.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,956.08 : 103,434.12 = 19,034.52 : x
  2. Step 2: Convert to fraction form
    68,956.08/103,434.12 = 19,034.52/x
  3. Step 3: Cross multiply
    68,956.08x = 103,434.12 × 19,034.52
  4. Step 4: Simplify right side
    68,956.08x = 1,968,818,825.82
  5. Step 5: Solve for x
    x = 1,968,818,825.82/68,956.08
  6. Step 6: Final answer
    x = 28,551.78

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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.