Home / 71,329.06-98,434.09-39,497.96

Finding the Fourth Proportional to 71,329.06, 98,434.09 and 39,497.96

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Solution

The fourth proportional to 71,329.06, 98,434.09 and 39,497.96 is: 54,507.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,329.06 : 98,434.09 = 39,497.96 : x
  2. Step 2: Convert to fraction form
    71,329.06/98,434.09 = 39,497.96/x
  3. Step 3: Cross multiply
    71,329.06x = 98,434.09 × 39,497.96
  4. Step 4: Simplify right side
    71,329.06x = 3,887,945,749.46
  5. Step 5: Solve for x
    x = 3,887,945,749.46/71,329.06
  6. Step 6: Final answer
    x = 54,507.18

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1.5x scale

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.