Home / 20,235.68-30,353.41-5,443.39

Finding the Fourth Proportional to 20,235.68, 30,353.41 and 5,443.39

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Solution

The fourth proportional to 20,235.68, 30,353.41 and 5,443.39 is: 8,165.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,235.68 : 30,353.41 = 5,443.39 : x
  2. Step 2: Convert to fraction form
    20,235.68/30,353.41 = 5,443.39/x
  3. Step 3: Cross multiply
    20,235.68x = 30,353.41 × 5,443.39
  4. Step 4: Simplify right side
    20,235.68x = 165,225,448.46
  5. Step 5: Solve for x
    x = 165,225,448.46/20,235.68
  6. Step 6: Final answer
    x = 8,165.06

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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.