Home / 20,549.07-30,674.94-18,057.96

Finding the Fourth Proportional to 20,549.07, 30,674.94 and 18,057.96

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Solution

The fourth proportional to 20,549.07, 30,674.94 and 18,057.96 is: 26,956.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,549.07 : 30,674.94 = 18,057.96 : x
  2. Step 2: Convert to fraction form
    20,549.07/30,674.94 = 18,057.96/x
  3. Step 3: Cross multiply
    20,549.07x = 30,674.94 × 18,057.96
  4. Step 4: Simplify right side
    20,549.07x = 553,926,839.52
  5. Step 5: Solve for x
    x = 553,926,839.52/20,549.07
  6. Step 6: Final answer
    x = 26,956.30

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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.