Home / 50,298.24-75,469.20-19,142.40

Finding the Fourth Proportional to 50,298.24, 75,469.20 and 19,142.40

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Solution

The fourth proportional to 50,298.24, 75,469.20 and 19,142.40 is: 28,721.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,298.24 : 75,469.20 = 19,142.40 : x
  2. Step 2: Convert to fraction form
    50,298.24/75,469.20 = 19,142.40/x
  3. Step 3: Cross multiply
    50,298.24x = 75,469.20 × 19,142.40
  4. Step 4: Simplify right side
    50,298.24x = 1,444,661,614.08
  5. Step 5: Solve for x
    x = 1,444,661,614.08/50,298.24
  6. Step 6: Final answer
    x = 28,721.91

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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.