Home / 36,397.56-50,228.10-20,480.76

Finding the Fourth Proportional to 36,397.56, 50,228.10 and 20,480.76

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Solution

The fourth proportional to 36,397.56, 50,228.10 and 20,480.76 is: 28,263.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,397.56 : 50,228.10 = 20,480.76 : x
  2. Step 2: Convert to fraction form
    36,397.56/50,228.10 = 20,480.76/x
  3. Step 3: Cross multiply
    36,397.56x = 50,228.10 × 20,480.76
  4. Step 4: Simplify right side
    36,397.56x = 1,028,709,661.36
  5. Step 5: Solve for x
    x = 1,028,709,661.36/36,397.56
  6. Step 6: Final answer
    x = 28,263.15

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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.