Home / 20,045.14-30,067.83-5,253.93

Finding the Fourth Proportional to 20,045.14, 30,067.83 and 5,253.93

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Solution

The fourth proportional to 20,045.14, 30,067.83 and 5,253.93 is: 7,880.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,045.14 : 30,067.83 = 5,253.93 : x
  2. Step 2: Convert to fraction form
    20,045.14/30,067.83 = 5,253.93/x
  3. Step 3: Cross multiply
    20,045.14x = 30,067.83 × 5,253.93
  4. Step 4: Simplify right side
    20,045.14x = 157,974,162.00
  5. Step 5: Solve for x
    x = 157,974,162.00/20,045.14
  6. Step 6: Final answer
    x = 7,880.92

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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.