Home / 50,101.06-75,156.60-18,519.40

Finding the Fourth Proportional to 50,101.06, 75,156.60 and 18,519.40

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Solution

The fourth proportional to 50,101.06, 75,156.60 and 18,519.40 is: 27,780.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,101.06 : 75,156.60 = 18,519.40 : x
  2. Step 2: Convert to fraction form
    50,101.06/75,156.60 = 18,519.40/x
  3. Step 3: Cross multiply
    50,101.06x = 75,156.60 × 18,519.40
  4. Step 4: Simplify right side
    50,101.06x = 1,391,855,138.04
  5. Step 5: Solve for x
    x = 1,391,855,138.04/50,101.06
  6. Step 6: Final answer
    x = 27,780.95

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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.