Home / 65,852.20-98,768.24-21,478.87

Finding the Fourth Proportional to 65,852.20, 98,768.24 and 21,478.87

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Solution

The fourth proportional to 65,852.20, 98,768.24 and 21,478.87 is: 32,215.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,852.20 : 98,768.24 = 21,478.87 : x
  2. Step 2: Convert to fraction form
    65,852.20/98,768.24 = 21,478.87/x
  3. Step 3: Cross multiply
    65,852.20x = 98,768.24 × 21,478.87
  4. Step 4: Simplify right side
    65,852.20x = 2,121,429,585.85
  5. Step 5: Solve for x
    x = 2,121,429,585.85/65,852.20
  6. Step 6: Final answer
    x = 32,215.02

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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.