Home / 50,292.78-75,439.27-18,709.77

Finding the Fourth Proportional to 50,292.78, 75,439.27 and 18,709.77

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Solution

The fourth proportional to 50,292.78, 75,439.27 and 18,709.77 is: 28,064.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,292.78 : 75,439.27 = 18,709.77 : x
  2. Step 2: Convert to fraction form
    50,292.78/75,439.27 = 18,709.77/x
  3. Step 3: Cross multiply
    50,292.78x = 75,439.27 × 18,709.77
  4. Step 4: Simplify right side
    50,292.78x = 1,411,451,390.67
  5. Step 5: Solve for x
    x = 1,411,451,390.67/50,292.78
  6. Step 6: Final answer
    x = 28,064.69

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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.