Home / 36,908.81-55,279.97-17,145.78

Finding the Fourth Proportional to 36,908.81, 55,279.97 and 17,145.78

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Solution

The fourth proportional to 36,908.81, 55,279.97 and 17,145.78 is: 25,679.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,908.81 : 55,279.97 = 17,145.78 : x
  2. Step 2: Convert to fraction form
    36,908.81/55,279.97 = 17,145.78/x
  3. Step 3: Cross multiply
    36,908.81x = 55,279.97 × 17,145.78
  4. Step 4: Simplify right side
    36,908.81x = 947,817,927.63
  5. Step 5: Solve for x
    x = 947,817,927.63/36,908.81
  6. Step 6: Final answer
    x = 25,679.99

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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.