Home / 20,049.12-30,071.93-6,012.28

Finding the Fourth Proportional to 20,049.12, 30,071.93 and 6,012.28

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Solution

The fourth proportional to 20,049.12, 30,071.93 and 6,012.28 is: 9,017.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049.12 : 30,071.93 = 6,012.28 : x
  2. Step 2: Convert to fraction form
    20,049.12/30,071.93 = 6,012.28/x
  3. Step 3: Cross multiply
    20,049.12x = 30,071.93 × 6,012.28
  4. Step 4: Simplify right side
    20,049.12x = 180,800,870.83
  5. Step 5: Solve for x
    x = 180,800,870.83/20,049.12
  6. Step 6: Final answer
    x = 9,017.90

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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.