Home / 65,964.78-98,956.08-19,217.25

Finding the Fourth Proportional to 65,964.78, 98,956.08 and 19,217.25

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Solution

The fourth proportional to 65,964.78, 98,956.08 and 19,217.25 is: 28,828.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,964.78 : 98,956.08 = 19,217.25 : x
  2. Step 2: Convert to fraction form
    65,964.78/98,956.08 = 19,217.25/x
  3. Step 3: Cross multiply
    65,964.78x = 98,956.08 × 19,217.25
  4. Step 4: Simplify right side
    65,964.78x = 1,901,663,728.38
  5. Step 5: Solve for x
    x = 1,901,663,728.38/65,964.78
  6. Step 6: Final answer
    x = 28,828.47

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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.