Home / 53,351.98-79,948.77-21,723.35

Finding the Fourth Proportional to 53,351.98, 79,948.77 and 21,723.35

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Solution

The fourth proportional to 53,351.98, 79,948.77 and 21,723.35 is: 32,552.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,351.98 : 79,948.77 = 21,723.35 : x
  2. Step 2: Convert to fraction form
    53,351.98/79,948.77 = 21,723.35/x
  3. Step 3: Cross multiply
    53,351.98x = 79,948.77 × 21,723.35
  4. Step 4: Simplify right side
    53,351.98x = 1,736,755,112.78
  5. Step 5: Solve for x
    x = 1,736,755,112.78/53,351.98
  6. Step 6: Final answer
    x = 32,552.78

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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.