Home / 53,564.90-80,335.82-21,943.96

Finding the Fourth Proportional to 53,564.90, 80,335.82 and 21,943.96

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Solution

The fourth proportional to 53,564.90, 80,335.82 and 21,943.96 is: 32,911.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,564.90 : 80,335.82 = 21,943.96 : x
  2. Step 2: Convert to fraction form
    53,564.90/80,335.82 = 21,943.96/x
  3. Step 3: Cross multiply
    53,564.90x = 80,335.82 × 21,943.96
  4. Step 4: Simplify right side
    53,564.90x = 1,762,885,764.95
  5. Step 5: Solve for x
    x = 1,762,885,764.95/53,564.90
  6. Step 6: Final answer
    x = 32,911.21

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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.