Home / 65,456.32-98,184.96-18,709.76

Finding the Fourth Proportional to 65,456.32, 98,184.96 and 18,709.76

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Solution

The fourth proportional to 65,456.32, 98,184.96 and 18,709.76 is: 28,064.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,456.32 : 98,184.96 = 18,709.76 : x
  2. Step 2: Convert to fraction form
    65,456.32/98,184.96 = 18,709.76/x
  3. Step 3: Cross multiply
    65,456.32x = 98,184.96 × 18,709.76
  4. Step 4: Simplify right side
    65,456.32x = 1,837,017,037.21
  5. Step 5: Solve for x
    x = 1,837,017,037.21/65,456.32
  6. Step 6: Final answer
    x = 28,064.78

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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.