Home / 30,047.28-45,063.90-11,329.17

Finding the Fourth Proportional to 30,047.28, 45,063.90 and 11,329.17

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Solution

The fourth proportional to 30,047.28, 45,063.90 and 11,329.17 is: 16,991.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,047.28 : 45,063.90 = 11,329.17 : x
  2. Step 2: Convert to fraction form
    30,047.28/45,063.90 = 11,329.17/x
  3. Step 3: Cross multiply
    30,047.28x = 45,063.90 × 11,329.17
  4. Step 4: Simplify right side
    30,047.28x = 510,536,583.96
  5. Step 5: Solve for x
    x = 510,536,583.96/30,047.28
  6. Step 6: Final answer
    x = 16,991.11

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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.