Home / 20,574.60-30,861.66-4,992.24

Finding the Fourth Proportional to 20,574.60, 30,861.66 and 4,992.24

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Solution

The fourth proportional to 20,574.60, 30,861.66 and 4,992.24 is: 7,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,574.60 : 30,861.66 = 4,992.24 : x
  2. Step 2: Convert to fraction form
    20,574.60/30,861.66 = 4,992.24/x
  3. Step 3: Cross multiply
    20,574.60x = 30,861.66 × 4,992.24
  4. Step 4: Simplify right side
    20,574.60x = 154,068,813.52
  5. Step 5: Solve for x
    x = 154,068,813.52/20,574.60
  6. Step 6: Final answer
    x = 7,488.30

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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.