Home / 20,348.53-30,519.69-5,558.65

Finding the Fourth Proportional to 20,348.53, 30,519.69 and 5,558.65

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Solution

The fourth proportional to 20,348.53, 30,519.69 and 5,558.65 is: 8,337.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348.53 : 30,519.69 = 5,558.65 : x
  2. Step 2: Convert to fraction form
    20,348.53/30,519.69 = 5,558.65/x
  3. Step 3: Cross multiply
    20,348.53x = 30,519.69 × 5,558.65
  4. Step 4: Simplify right side
    20,348.53x = 169,648,274.82
  5. Step 5: Solve for x
    x = 169,648,274.82/20,348.53
  6. Step 6: Final answer
    x = 8,337.13

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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.