Home / 30,626.61-42,264.21-17,197.89

Finding the Fourth Proportional to 30,626.61, 42,264.21 and 17,197.89

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Solution

The fourth proportional to 30,626.61, 42,264.21 and 17,197.89 is: 23,732.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,626.61 : 42,264.21 = 17,197.89 : x
  2. Step 2: Convert to fraction form
    30,626.61/42,264.21 = 17,197.89/x
  3. Step 3: Cross multiply
    30,626.61x = 42,264.21 × 17,197.89
  4. Step 4: Simplify right side
    30,626.61x = 726,855,234.52
  5. Step 5: Solve for x
    x = 726,855,234.52/30,626.61
  6. Step 6: Final answer
    x = 23,732.80

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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.