Home / 51,963.10-77,913.38-20,335.43

Finding the Fourth Proportional to 51,963.10, 77,913.38 and 20,335.43

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Solution

The fourth proportional to 51,963.10, 77,913.38 and 20,335.43 is: 30,490.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,963.10 : 77,913.38 = 20,335.43 : x
  2. Step 2: Convert to fraction form
    51,963.10/77,913.38 = 20,335.43/x
  3. Step 3: Cross multiply
    51,963.10x = 77,913.38 × 20,335.43
  4. Step 4: Simplify right side
    51,963.10x = 1,584,402,330.68
  5. Step 5: Solve for x
    x = 1,584,402,330.68/51,963.10
  6. Step 6: Final answer
    x = 30,490.91

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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.