Home / 45,090.60-62,238.42-29,174.64

Finding the Fourth Proportional to 45,090.60, 62,238.42 and 29,174.64

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Solution

The fourth proportional to 45,090.60, 62,238.42 and 29,174.64 is: 40,269.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,090.60 : 62,238.42 = 29,174.64 : x
  2. Step 2: Convert to fraction form
    45,090.60/62,238.42 = 29,174.64/x
  3. Step 3: Cross multiply
    45,090.60x = 62,238.42 × 29,174.64
  4. Step 4: Simplify right side
    45,090.60x = 1,815,783,497.67
  5. Step 5: Solve for x
    x = 1,815,783,497.67/45,090.60
  6. Step 6: Final answer
    x = 40,269.67

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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.