Home / 65,867.05-98,717.84-28,383.24

Finding the Fourth Proportional to 65,867.05, 98,717.84 and 28,383.24

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Solution

The fourth proportional to 65,867.05, 98,717.84 and 28,383.24 is: 42,539.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,867.05 : 98,717.84 = 28,383.24 : x
  2. Step 2: Convert to fraction form
    65,867.05/98,717.84 = 28,383.24/x
  3. Step 3: Cross multiply
    65,867.05x = 98,717.84 × 28,383.24
  4. Step 4: Simplify right side
    65,867.05x = 2,801,931,646.78
  5. Step 5: Solve for x
    x = 2,801,931,646.78/65,867.05
  6. Step 6: Final answer
    x = 42,539.20

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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.