Home / 30,366.27-45,549.50-10,640.30

Finding the Fourth Proportional to 30,366.27, 45,549.50 and 10,640.30

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Solution

The fourth proportional to 30,366.27, 45,549.50 and 10,640.30 is: 15,960.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,366.27 : 45,549.50 = 10,640.30 : x
  2. Step 2: Convert to fraction form
    30,366.27/45,549.50 = 10,640.30/x
  3. Step 3: Cross multiply
    30,366.27x = 45,549.50 × 10,640.30
  4. Step 4: Simplify right side
    30,366.27x = 484,660,063.90
  5. Step 5: Solve for x
    x = 484,660,063.90/30,366.27
  6. Step 6: Final answer
    x = 15,960.47

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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.