Home / 65,679.06-98,532.45-21,302.37

Finding the Fourth Proportional to 65,679.06, 98,532.45 and 21,302.37

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Solution

The fourth proportional to 65,679.06, 98,532.45 and 21,302.37 is: 31,958.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,679.06 : 98,532.45 = 21,302.37 : x
  2. Step 2: Convert to fraction form
    65,679.06/98,532.45 = 21,302.37/x
  3. Step 3: Cross multiply
    65,679.06x = 98,532.45 × 21,302.37
  4. Step 4: Simplify right side
    65,679.06x = 2,098,974,646.99
  5. Step 5: Solve for x
    x = 2,098,974,646.99/65,679.06
  6. Step 6: Final answer
    x = 31,958.05

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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.