Home / 20,239.83-30,360.29-5,448.74

Finding the Fourth Proportional to 20,239.83, 30,360.29 and 5,448.74

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Solution

The fourth proportional to 20,239.83, 30,360.29 and 5,448.74 is: 8,173.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,239.83 : 30,360.29 = 5,448.74 : x
  2. Step 2: Convert to fraction form
    20,239.83/30,360.29 = 5,448.74/x
  3. Step 3: Cross multiply
    20,239.83x = 30,360.29 × 5,448.74
  4. Step 4: Simplify right side
    20,239.83x = 165,425,147.49
  5. Step 5: Solve for x
    x = 165,425,147.49/20,239.83
  6. Step 6: Final answer
    x = 8,173.25

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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.