Home / 61,609.12-85,018.68-34,751.24

Finding the Fourth Proportional to 61,609.12, 85,018.68 and 34,751.24

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Solution

The fourth proportional to 61,609.12, 85,018.68 and 34,751.24 is: 47,955.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,609.12 : 85,018.68 = 34,751.24 : x
  2. Step 2: Convert to fraction form
    61,609.12/85,018.68 = 34,751.24/x
  3. Step 3: Cross multiply
    61,609.12x = 85,018.68 × 34,751.24
  4. Step 4: Simplify right side
    61,609.12x = 2,954,504,553.16
  5. Step 5: Solve for x
    x = 2,954,504,553.16/61,609.12
  6. Step 6: Final answer
    x = 47,955.64

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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.