Home / 30,885.25-42,621.33-17,273.14

Finding the Fourth Proportional to 30,885.25, 42,621.33 and 17,273.14

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Solution

The fourth proportional to 30,885.25, 42,621.33 and 17,273.14 is: 23,836.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,885.25 : 42,621.33 = 17,273.14 : x
  2. Step 2: Convert to fraction form
    30,885.25/42,621.33 = 17,273.14/x
  3. Step 3: Cross multiply
    30,885.25x = 42,621.33 × 17,273.14
  4. Step 4: Simplify right side
    30,885.25x = 736,204,125.91
  5. Step 5: Solve for x
    x = 736,204,125.91/30,885.25
  6. Step 6: Final answer
    x = 23,836.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.