Home / 36,145.50-49,857.75-31,076.70

Finding the Fourth Proportional to 36,145.50, 49,857.75 and 31,076.70

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Solution

The fourth proportional to 36,145.50, 49,857.75 and 31,076.70 is: 42,866.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,145.50 : 49,857.75 = 31,076.70 : x
  2. Step 2: Convert to fraction form
    36,145.50/49,857.75 = 31,076.70/x
  3. Step 3: Cross multiply
    36,145.50x = 49,857.75 × 31,076.70
  4. Step 4: Simplify right side
    36,145.50x = 1,549,414,339.43
  5. Step 5: Solve for x
    x = 1,549,414,339.43/36,145.50
  6. Step 6: Final answer
    x = 42,866.04

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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.