Home / 20,303.49-30,381.41-16,760.55

Finding the Fourth Proportional to 20,303.49, 30,381.41 and 16,760.55

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Solution

The fourth proportional to 20,303.49, 30,381.41 and 16,760.55 is: 25,079.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,303.49 : 30,381.41 = 16,760.55 : x
  2. Step 2: Convert to fraction form
    20,303.49/30,381.41 = 16,760.55/x
  3. Step 3: Cross multiply
    20,303.49x = 30,381.41 × 16,760.55
  4. Step 4: Simplify right side
    20,303.49x = 509,209,057.57
  5. Step 5: Solve for x
    x = 509,209,057.57/20,303.49
  6. Step 6: Final answer
    x = 25,079.88

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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.