Home / 30,266.16-41,760.72-17,685.12

Finding the Fourth Proportional to 30,266.16, 41,760.72 and 17,685.12

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Solution

The fourth proportional to 30,266.16, 41,760.72 and 17,685.12 is: 24,401.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,266.16 : 41,760.72 = 17,685.12 : x
  2. Step 2: Convert to fraction form
    30,266.16/41,760.72 = 17,685.12/x
  3. Step 3: Cross multiply
    30,266.16x = 41,760.72 × 17,685.12
  4. Step 4: Simplify right side
    30,266.16x = 738,543,344.49
  5. Step 5: Solve for x
    x = 738,543,344.49/30,266.16
  6. Step 6: Final answer
    x = 24,401.62

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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.