Home / 49,780.86-74,626.47-18,168.84

Finding the Fourth Proportional to 49,780.86, 74,626.47 and 18,168.84

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Solution

The fourth proportional to 49,780.86, 74,626.47 and 18,168.84 is: 27,236.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,780.86 : 74,626.47 = 18,168.84 : x
  2. Step 2: Convert to fraction form
    49,780.86/74,626.47 = 18,168.84/x
  3. Step 3: Cross multiply
    49,780.86x = 74,626.47 × 18,168.84
  4. Step 4: Simplify right side
    49,780.86x = 1,355,876,393.19
  5. Step 5: Solve for x
    x = 1,355,876,393.19/49,780.86
  6. Step 6: Final answer
    x = 27,236.90

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1.5x scale

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.