Home / 50,306.09-75,458.87-12,866.11

Finding the Fourth Proportional to 50,306.09, 75,458.87 and 12,866.11

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Solution

The fourth proportional to 50,306.09, 75,458.87 and 12,866.11 is: 19,299.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,306.09 : 75,458.87 = 12,866.11 : x
  2. Step 2: Convert to fraction form
    50,306.09/75,458.87 = 12,866.11/x
  3. Step 3: Cross multiply
    50,306.09x = 75,458.87 × 12,866.11
  4. Step 4: Simplify right side
    50,306.09x = 970,862,121.90
  5. Step 5: Solve for x
    x = 970,862,121.90/50,306.09
  6. Step 6: Final answer
    x = 19,299.10

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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.