Home / 32,278.44-48,316.21-20,390.99

Finding the Fourth Proportional to 32,278.44, 48,316.21 and 20,390.99

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Solution

The fourth proportional to 32,278.44, 48,316.21 and 20,390.99 is: 30,522.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,278.44 : 48,316.21 = 20,390.99 : x
  2. Step 2: Convert to fraction form
    32,278.44/48,316.21 = 20,390.99/x
  3. Step 3: Cross multiply
    32,278.44x = 48,316.21 × 20,390.99
  4. Step 4: Simplify right side
    32,278.44x = 985,215,062.39
  5. Step 5: Solve for x
    x = 985,215,062.39/32,278.44
  6. Step 6: Final answer
    x = 30,522.39

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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.