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Finding the Fourth Proportional to 65,279.96, 97,919.76 and 18,532.88

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Solution

The fourth proportional to 65,279.96, 97,919.76 and 18,532.88 is: 27,799.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,279.96 : 97,919.76 = 18,532.88 : x
  2. Step 2: Convert to fraction form
    65,279.96/97,919.76 = 18,532.88/x
  3. Step 3: Cross multiply
    65,279.96x = 97,919.76 × 18,532.88
  4. Step 4: Simplify right side
    65,279.96x = 1,814,735,161.71
  5. Step 5: Solve for x
    x = 1,814,735,161.71/65,279.96
  6. Step 6: Final answer
    x = 27,799.27

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1.5x scale

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.