Home / 51,463.22-71,018.78-28,801.95

Finding the Fourth Proportional to 51,463.22, 71,018.78 and 28,801.95

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Solution

The fourth proportional to 51,463.22, 71,018.78 and 28,801.95 is: 39,746.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,463.22 : 71,018.78 = 28,801.95 : x
  2. Step 2: Convert to fraction form
    51,463.22/71,018.78 = 28,801.95/x
  3. Step 3: Cross multiply
    51,463.22x = 71,018.78 × 28,801.95
  4. Step 4: Simplify right side
    51,463.22x = 2,045,478,940.29
  5. Step 5: Solve for x
    x = 2,045,478,940.29/51,463.22
  6. Step 6: Final answer
    x = 39,746.43

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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.