Home / 30,086.10-45,136.98-11,366.28

Finding the Fourth Proportional to 30,086.10, 45,136.98 and 11,366.28

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Solution

The fourth proportional to 30,086.10, 45,136.98 and 11,366.28 is: 17,052.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,086.10 : 45,136.98 = 11,366.28 : x
  2. Step 2: Convert to fraction form
    30,086.10/45,136.98 = 11,366.28/x
  3. Step 3: Cross multiply
    30,086.10x = 45,136.98 × 11,366.28
  4. Step 4: Simplify right side
    30,086.10x = 513,039,553.03
  5. Step 5: Solve for x
    x = 513,039,553.03/30,086.10
  6. Step 6: Final answer
    x = 17,052.38

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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.