Home / 50,311.72-69,430.26-29,090.92

Finding the Fourth Proportional to 50,311.72, 69,430.26 and 29,090.92

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Solution

The fourth proportional to 50,311.72, 69,430.26 and 29,090.92 is: 40,145.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,311.72 : 69,430.26 = 29,090.92 : x
  2. Step 2: Convert to fraction form
    50,311.72/69,430.26 = 29,090.92/x
  3. Step 3: Cross multiply
    50,311.72x = 69,430.26 × 29,090.92
  4. Step 4: Simplify right side
    50,311.72x = 2,019,790,139.24
  5. Step 5: Solve for x
    x = 2,019,790,139.24/50,311.72
  6. Step 6: Final answer
    x = 40,145.52

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Half scale
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Double scale
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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.