Home / 45,090.87-67,635.62-15,508.97

Finding the Fourth Proportional to 45,090.87, 67,635.62 and 15,508.97

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Solution

The fourth proportional to 45,090.87, 67,635.62 and 15,508.97 is: 23,263.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,090.87 : 67,635.62 = 15,508.97 : x
  2. Step 2: Convert to fraction form
    45,090.87/67,635.62 = 15,508.97/x
  3. Step 3: Cross multiply
    45,090.87x = 67,635.62 × 15,508.97
  4. Step 4: Simplify right side
    45,090.87x = 1,048,958,502.11
  5. Step 5: Solve for x
    x = 1,048,958,502.11/45,090.87
  6. Step 6: Final answer
    x = 23,263.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.