Home / 65,726.90-98,604.78-21,358.34

Finding the Fourth Proportional to 65,726.90, 98,604.78 and 21,358.34

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Solution

The fourth proportional to 65,726.90, 98,604.78 and 21,358.34 is: 32,042.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,726.90 : 98,604.78 = 21,358.34 : x
  2. Step 2: Convert to fraction form
    65,726.90/98,604.78 = 21,358.34/x
  3. Step 3: Cross multiply
    65,726.90x = 98,604.78 × 21,358.34
  4. Step 4: Simplify right side
    65,726.90x = 2,106,034,416.87
  5. Step 5: Solve for x
    x = 2,106,034,416.87/65,726.90
  6. Step 6: Final answer
    x = 32,042.20

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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.