Home / 33,105.04-49,657.14-8,145.40

Finding the Fourth Proportional to 33,105.04, 49,657.14 and 8,145.40

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Solution

The fourth proportional to 33,105.04, 49,657.14 and 8,145.40 is: 12,218.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,105.04 : 49,657.14 = 8,145.40 : x
  2. Step 2: Convert to fraction form
    33,105.04/49,657.14 = 8,145.40/x
  3. Step 3: Cross multiply
    33,105.04x = 49,657.14 × 8,145.40
  4. Step 4: Simplify right side
    33,105.04x = 404,477,268.16
  5. Step 5: Solve for x
    x = 404,477,268.16/33,105.04
  6. Step 6: Final answer
    x = 12,218.00

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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.