Home / 36,390.65-50,218.88-20,475.18

Finding the Fourth Proportional to 36,390.65, 50,218.88 and 20,475.18

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Solution

The fourth proportional to 36,390.65, 50,218.88 and 20,475.18 is: 28,255.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,390.65 : 50,218.88 = 20,475.18 : x
  2. Step 2: Convert to fraction form
    36,390.65/50,218.88 = 20,475.18/x
  3. Step 3: Cross multiply
    36,390.65x = 50,218.88 × 20,475.18
  4. Step 4: Simplify right side
    36,390.65x = 1,028,240,505.02
  5. Step 5: Solve for x
    x = 1,028,240,505.02/36,390.65
  6. Step 6: Final answer
    x = 28,255.63

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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.