Home / 20,330.43-30,346.74-17,933.64

Finding the Fourth Proportional to 20,330.43, 30,346.74 and 17,933.64

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Solution

The fourth proportional to 20,330.43, 30,346.74 and 17,933.64 is: 26,769.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,330.43 : 30,346.74 = 17,933.64 : x
  2. Step 2: Convert to fraction form
    20,330.43/30,346.74 = 17,933.64/x
  3. Step 3: Cross multiply
    20,330.43x = 30,346.74 × 17,933.64
  4. Step 4: Simplify right side
    20,330.43x = 544,227,510.33
  5. Step 5: Solve for x
    x = 544,227,510.33/20,330.43
  6. Step 6: Final answer
    x = 26,769.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.