Home / 36,130.41-49,861.86-20,215.14

Finding the Fourth Proportional to 36,130.41, 49,861.86 and 20,215.14

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Solution

The fourth proportional to 36,130.41, 49,861.86 and 20,215.14 is: 27,897.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,130.41 : 49,861.86 = 20,215.14 : x
  2. Step 2: Convert to fraction form
    36,130.41/49,861.86 = 20,215.14/x
  3. Step 3: Cross multiply
    36,130.41x = 49,861.86 × 20,215.14
  4. Step 4: Simplify right side
    36,130.41x = 1,007,964,480.56
  5. Step 5: Solve for x
    x = 1,007,964,480.56/36,130.41
  6. Step 6: Final answer
    x = 27,897.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.