Home / 51,418.08-77,039.10-28,060.92

Finding the Fourth Proportional to 51,418.08, 77,039.10 and 28,060.92

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Solution

The fourth proportional to 51,418.08, 77,039.10 and 28,060.92 is: 42,043.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,418.08 : 77,039.10 = 28,060.92 : x
  2. Step 2: Convert to fraction form
    51,418.08/77,039.10 = 28,060.92/x
  3. Step 3: Cross multiply
    51,418.08x = 77,039.10 × 28,060.92
  4. Step 4: Simplify right side
    51,418.08x = 2,161,788,021.97
  5. Step 5: Solve for x
    x = 2,161,788,021.97/51,418.08
  6. Step 6: Final answer
    x = 42,043.34

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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.