Home / 71,655.44-98,883.78-39,823.70

Finding the Fourth Proportional to 71,655.44, 98,883.78 and 39,823.70

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Solution

The fourth proportional to 71,655.44, 98,883.78 and 39,823.70 is: 54,956.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,655.44 : 98,883.78 = 39,823.70 : x
  2. Step 2: Convert to fraction form
    71,655.44/98,883.78 = 39,823.70/x
  3. Step 3: Cross multiply
    71,655.44x = 98,883.78 × 39,823.70
  4. Step 4: Simplify right side
    71,655.44x = 3,937,917,495.17
  5. Step 5: Solve for x
    x = 3,937,917,495.17/71,655.44
  6. Step 6: Final answer
    x = 54,956.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.