Home / 20,325.33-30,488.26-7,168.48

Finding the Fourth Proportional to 20,325.33, 30,488.26 and 7,168.48

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Solution

The fourth proportional to 20,325.33, 30,488.26 and 7,168.48 is: 10,752.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,325.33 : 30,488.26 = 7,168.48 : x
  2. Step 2: Convert to fraction form
    20,325.33/30,488.26 = 7,168.48/x
  3. Step 3: Cross multiply
    20,325.33x = 30,488.26 × 7,168.48
  4. Step 4: Simplify right side
    20,325.33x = 218,554,482.04
  5. Step 5: Solve for x
    x = 218,554,482.04/20,325.33
  6. Step 6: Final answer
    x = 10,752.81

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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.