Home / 52,726.94-79,116.92-21,159.56

Finding the Fourth Proportional to 52,726.94, 79,116.92 and 21,159.56

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Solution

The fourth proportional to 52,726.94, 79,116.92 and 21,159.56 is: 31,749.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,726.94 : 79,116.92 = 21,159.56 : x
  2. Step 2: Convert to fraction form
    52,726.94/79,116.92 = 21,159.56/x
  3. Step 3: Cross multiply
    52,726.94x = 79,116.92 × 21,159.56
  4. Step 4: Simplify right side
    52,726.94x = 1,674,078,714.37
  5. Step 5: Solve for x
    x = 1,674,078,714.37/52,726.94
  6. Step 6: Final answer
    x = 31,749.97

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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.