Home / 48,150.86-66,445.80-26,639.78

Finding the Fourth Proportional to 48,150.86, 66,445.80 and 26,639.78

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Solution

The fourth proportional to 48,150.86, 66,445.80 and 26,639.78 is: 36,761.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,150.86 : 66,445.80 = 26,639.78 : x
  2. Step 2: Convert to fraction form
    48,150.86/66,445.80 = 26,639.78/x
  3. Step 3: Cross multiply
    48,150.86x = 66,445.80 × 26,639.78
  4. Step 4: Simplify right side
    48,150.86x = 1,770,101,493.92
  5. Step 5: Solve for x
    x = 1,770,101,493.92/48,150.86
  6. Step 6: Final answer
    x = 36,761.58

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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.