Home / 20,526.34-30,799.08-20,194.64

Finding the Fourth Proportional to 20,526.34, 30,799.08 and 20,194.64

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Solution

The fourth proportional to 20,526.34, 30,799.08 and 20,194.64 is: 30,301.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526.34 : 30,799.08 = 20,194.64 : x
  2. Step 2: Convert to fraction form
    20,526.34/30,799.08 = 20,194.64/x
  3. Step 3: Cross multiply
    20,526.34x = 30,799.08 × 20,194.64
  4. Step 4: Simplify right side
    20,526.34x = 621,976,231.96
  5. Step 5: Solve for x
    x = 621,976,231.96/20,526.34
  6. Step 6: Final answer
    x = 30,301.38

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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.