Home / 36,386.31-50,212.00-20,471.64

Finding the Fourth Proportional to 36,386.31, 50,212.00 and 20,471.64

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Solution

The fourth proportional to 36,386.31, 50,212.00 and 20,471.64 is: 28,250.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,386.31 : 50,212.00 = 20,471.64 : x
  2. Step 2: Convert to fraction form
    36,386.31/50,212.00 = 20,471.64/x
  3. Step 3: Cross multiply
    36,386.31x = 50,212.00 × 20,471.64
  4. Step 4: Simplify right side
    36,386.31x = 1,027,921,824.97
  5. Step 5: Solve for x
    x = 1,027,921,824.97/36,386.31
  6. Step 6: Final answer
    x = 28,250.23

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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.