Home / 65,848.11-98,775.34-21,474.78

Finding the Fourth Proportional to 65,848.11, 98,775.34 and 21,474.78

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Solution

The fourth proportional to 65,848.11, 98,775.34 and 21,474.78 is: 32,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,848.11 : 98,775.34 = 21,474.78 : x
  2. Step 2: Convert to fraction form
    65,848.11/98,775.34 = 21,474.78/x
  3. Step 3: Cross multiply
    65,848.11x = 98,775.34 × 21,474.78
  4. Step 4: Simplify right side
    65,848.11x = 2,121,178,642.24
  5. Step 5: Solve for x
    x = 2,121,178,642.24/65,848.11
  6. Step 6: Final answer
    x = 32,213.20

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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.