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Finding the Fourth Proportional to 36,131.19, 54,205.02 and 19,490.87

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Solution

The fourth proportional to 36,131.19, 54,205.02 and 19,490.87 is: 29,240.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,131.19 : 54,205.02 = 19,490.87 : x
  2. Step 2: Convert to fraction form
    36,131.19/54,205.02 = 19,490.87/x
  3. Step 3: Cross multiply
    36,131.19x = 54,205.02 × 19,490.87
  4. Step 4: Simplify right side
    36,131.19x = 1,056,502,727.14
  5. Step 5: Solve for x
    x = 1,056,502,727.14/36,131.19
  6. Step 6: Final answer
    x = 29,240.74

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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.