Home / 20,559.59-30,840.29-5,768.18

Finding the Fourth Proportional to 20,559.59, 30,840.29 and 5,768.18

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Solution

The fourth proportional to 20,559.59, 30,840.29 and 5,768.18 is: 8,652.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,559.59 : 30,840.29 = 5,768.18 : x
  2. Step 2: Convert to fraction form
    20,559.59/30,840.29 = 5,768.18/x
  3. Step 3: Cross multiply
    20,559.59x = 30,840.29 × 5,768.18
  4. Step 4: Simplify right side
    20,559.59x = 177,892,343.97
  5. Step 5: Solve for x
    x = 177,892,343.97/20,559.59
  6. Step 6: Final answer
    x = 8,652.52

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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.