Home / 33,145.60-49,718.40-19,148.80

Finding the Fourth Proportional to 33,145.60, 49,718.40 and 19,148.80

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Solution

The fourth proportional to 33,145.60, 49,718.40 and 19,148.80 is: 28,723.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,145.60 : 49,718.40 = 19,148.80 : x
  2. Step 2: Convert to fraction form
    33,145.60/49,718.40 = 19,148.80/x
  3. Step 3: Cross multiply
    33,145.60x = 49,718.40 × 19,148.80
  4. Step 4: Simplify right side
    33,145.60x = 952,047,697.92
  5. Step 5: Solve for x
    x = 952,047,697.92/33,145.60
  6. Step 6: Final answer
    x = 28,723.20

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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.