Home / 20,297.76-30,448.80-5,506.08

Finding the Fourth Proportional to 20,297.76, 30,448.80 and 5,506.08

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Solution

The fourth proportional to 20,297.76, 30,448.80 and 5,506.08 is: 8,259.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,297.76 : 30,448.80 = 5,506.08 : x
  2. Step 2: Convert to fraction form
    20,297.76/30,448.80 = 5,506.08/x
  3. Step 3: Cross multiply
    20,297.76x = 30,448.80 × 5,506.08
  4. Step 4: Simplify right side
    20,297.76x = 167,653,528.70
  5. Step 5: Solve for x
    x = 167,653,528.70/20,297.76
  6. Step 6: Final answer
    x = 8,259.71

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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.