Home / 20,347.94-30,519.59-5,558.06

Finding the Fourth Proportional to 20,347.94, 30,519.59 and 5,558.06

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Solution

The fourth proportional to 20,347.94, 30,519.59 and 5,558.06 is: 8,336.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,347.94 : 30,519.59 = 5,558.06 : x
  2. Step 2: Convert to fraction form
    20,347.94/30,519.59 = 5,558.06/x
  3. Step 3: Cross multiply
    20,347.94x = 30,519.59 × 5,558.06
  4. Step 4: Simplify right side
    20,347.94x = 169,629,532.01
  5. Step 5: Solve for x
    x = 169,629,532.01/20,347.94
  6. Step 6: Final answer
    x = 8,336.45

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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.