Home / 51,943,721.52-71,684,445.68-28,738,470.48

Finding the Fourth Proportional to 51,943,721.52, 71,684,445.68 and 28,738,470.48

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Solution

The fourth proportional to 51,943,721.52, 71,684,445.68 and 28,738,470.48 is: 39,660,256.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,943,721.52 : 71,684,445.68 = 28,738,470.48 : x
  2. Step 2: Convert to fraction form
    51,943,721.52/71,684,445.68 = 28,738,470.48/x
  3. Step 3: Cross multiply
    51,943,721.52x = 71,684,445.68 × 28,738,470.48
  4. Step 4: Simplify right side
    51,943,721.52x = 2,060,101,326,049,843.75
  5. Step 5: Solve for x
    x = 2,060,101,326,049,843.75/51,943,721.52
  6. Step 6: Final answer
    x = 39,660,256.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.