Home / 36,340.86-50,139.63-21,229.50

Finding the Fourth Proportional to 36,340.86, 50,139.63 and 21,229.50

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Solution

The fourth proportional to 36,340.86, 50,139.63 and 21,229.50 is: 29,290.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,340.86 : 50,139.63 = 21,229.50 : x
  2. Step 2: Convert to fraction form
    36,340.86/50,139.63 = 21,229.50/x
  3. Step 3: Cross multiply
    36,340.86x = 50,139.63 × 21,229.50
  4. Step 4: Simplify right side
    36,340.86x = 1,064,439,275.09
  5. Step 5: Solve for x
    x = 1,064,439,275.09/36,340.86
  6. Step 6: Final answer
    x = 29,290.43

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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.