Home / 20,333.19-30,656.55-20,206.83

Finding the Fourth Proportional to 20,333.19, 30,656.55 and 20,206.83

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Solution

The fourth proportional to 20,333.19, 30,656.55 and 20,206.83 is: 30,466.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,333.19 : 30,656.55 = 20,206.83 : x
  2. Step 2: Convert to fraction form
    20,333.19/30,656.55 = 20,206.83/x
  3. Step 3: Cross multiply
    20,333.19x = 30,656.55 × 20,206.83
  4. Step 4: Simplify right side
    20,333.19x = 619,471,694.24
  5. Step 5: Solve for x
    x = 619,471,694.24/20,333.19
  6. Step 6: Final answer
    x = 30,466.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.