Home / 20,019.30-30,054.46-16,328.72

Finding the Fourth Proportional to 20,019.30, 30,054.46 and 16,328.72

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Solution

The fourth proportional to 20,019.30, 30,054.46 and 16,328.72 is: 24,513.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019.30 : 30,054.46 = 16,328.72 : x
  2. Step 2: Convert to fraction form
    20,019.30/30,054.46 = 16,328.72/x
  3. Step 3: Cross multiply
    20,019.30x = 30,054.46 × 16,328.72
  4. Step 4: Simplify right side
    20,019.30x = 490,750,862.09
  5. Step 5: Solve for x
    x = 490,750,862.09/20,019.30
  6. Step 6: Final answer
    x = 24,513.89

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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.