Home / 65,472.24-98,213.49-21,100.31

Finding the Fourth Proportional to 65,472.24, 98,213.49 and 21,100.31

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Solution

The fourth proportional to 65,472.24, 98,213.49 and 21,100.31 is: 31,652.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,472.24 : 98,213.49 = 21,100.31 : x
  2. Step 2: Convert to fraction form
    65,472.24/98,213.49 = 21,100.31/x
  3. Step 3: Cross multiply
    65,472.24x = 98,213.49 × 21,100.31
  4. Step 4: Simplify right side
    65,472.24x = 2,072,334,594.11
  5. Step 5: Solve for x
    x = 2,072,334,594.11/65,472.24
  6. Step 6: Final answer
    x = 31,652.11

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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.