Home / 36,287.79-50,077.13-20,372.28

Finding the Fourth Proportional to 36,287.79, 50,077.13 and 20,372.28

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Solution

The fourth proportional to 36,287.79, 50,077.13 and 20,372.28 is: 28,113.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,287.79 : 50,077.13 = 20,372.28 : x
  2. Step 2: Convert to fraction form
    36,287.79/50,077.13 = 20,372.28/x
  3. Step 3: Cross multiply
    36,287.79x = 50,077.13 × 20,372.28
  4. Step 4: Simplify right side
    36,287.79x = 1,020,185,212.10
  5. Step 5: Solve for x
    x = 1,020,185,212.10/36,287.79
  6. Step 6: Final answer
    x = 28,113.73

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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.