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Finding the Fourth Proportional to 48,763.71, 67,293.90 and 26,407.71

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Solution

The fourth proportional to 48,763.71, 67,293.90 and 26,407.71 is: 36,442.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,763.71 : 67,293.90 = 26,407.71 : x
  2. Step 2: Convert to fraction form
    48,763.71/67,293.90 = 26,407.71/x
  3. Step 3: Cross multiply
    48,763.71x = 67,293.90 × 26,407.71
  4. Step 4: Simplify right side
    48,763.71x = 1,777,077,795.97
  5. Step 5: Solve for x
    x = 1,777,077,795.97/48,763.71
  6. Step 6: Final answer
    x = 36,442.63

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1.5x scale

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.