Home / 30,116.84-45,175.98-10,126.62

Finding the Fourth Proportional to 30,116.84, 45,175.98 and 10,126.62

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Solution

The fourth proportional to 30,116.84, 45,175.98 and 10,126.62 is: 15,190.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,116.84 : 45,175.98 = 10,126.62 : x
  2. Step 2: Convert to fraction form
    30,116.84/45,175.98 = 10,126.62/x
  3. Step 3: Cross multiply
    30,116.84x = 45,175.98 × 10,126.62
  4. Step 4: Simplify right side
    30,116.84x = 457,479,982.59
  5. Step 5: Solve for x
    x = 457,479,982.59/30,116.84
  6. Step 6: Final answer
    x = 15,190.17

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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.