Home / 30,279.02-45,416.66-11,299.96

Finding the Fourth Proportional to 30,279.02, 45,416.66 and 11,299.96

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Solution

The fourth proportional to 30,279.02, 45,416.66 and 11,299.96 is: 16,949.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,279.02 : 45,416.66 = 11,299.96 : x
  2. Step 2: Convert to fraction form
    30,279.02/45,416.66 = 11,299.96/x
  3. Step 3: Cross multiply
    30,279.02x = 45,416.66 × 11,299.96
  4. Step 4: Simplify right side
    30,279.02x = 513,206,441.33
  5. Step 5: Solve for x
    x = 513,206,441.33/30,279.02
  6. Step 6: Final answer
    x = 16,949.24

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Double scale
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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.