Home / 36,312.72-50,114.24-20,398.11

Finding the Fourth Proportional to 36,312.72, 50,114.24 and 20,398.11

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Solution

The fourth proportional to 36,312.72, 50,114.24 and 20,398.11 is: 28,150.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,312.72 : 50,114.24 = 20,398.11 : x
  2. Step 2: Convert to fraction form
    36,312.72/50,114.24 = 20,398.11/x
  3. Step 3: Cross multiply
    36,312.72x = 50,114.24 × 20,398.11
  4. Step 4: Simplify right side
    36,312.72x = 1,022,235,427.52
  5. Step 5: Solve for x
    x = 1,022,235,427.52/36,312.72
  6. Step 6: Final answer
    x = 28,150.90

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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.