Home / 50,409.74-75,561.85-18,807.09

Finding the Fourth Proportional to 50,409.74, 75,561.85 and 18,807.09

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Solution

The fourth proportional to 50,409.74, 75,561.85 and 18,807.09 is: 28,190.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,409.74 : 75,561.85 = 18,807.09 : x
  2. Step 2: Convert to fraction form
    50,409.74/75,561.85 = 18,807.09/x
  3. Step 3: Cross multiply
    50,409.74x = 75,561.85 × 18,807.09
  4. Step 4: Simplify right side
    50,409.74x = 1,421,098,513.52
  5. Step 5: Solve for x
    x = 1,421,098,513.52/50,409.74
  6. Step 6: Final answer
    x = 28,190.95

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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.