Home / 30,836.91-42,555.07-17,408.33

Finding the Fourth Proportional to 30,836.91, 42,555.07 and 17,408.33

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Solution

The fourth proportional to 30,836.91, 42,555.07 and 17,408.33 is: 24,023.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,836.91 : 42,555.07 = 17,408.33 : x
  2. Step 2: Convert to fraction form
    30,836.91/42,555.07 = 17,408.33/x
  3. Step 3: Cross multiply
    30,836.91x = 42,555.07 × 17,408.33
  4. Step 4: Simplify right side
    30,836.91x = 740,812,701.73
  5. Step 5: Solve for x
    x = 740,812,701.73/30,836.91
  6. Step 6: Final answer
    x = 24,023.57

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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.