Home / 54,138.66-81,217.26-18,598.29

Finding the Fourth Proportional to 54,138.66, 81,217.26 and 18,598.29

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Solution

The fourth proportional to 54,138.66, 81,217.26 and 18,598.29 is: 27,900.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,138.66 : 81,217.26 = 18,598.29 : x
  2. Step 2: Convert to fraction form
    54,138.66/81,217.26 = 18,598.29/x
  3. Step 3: Cross multiply
    54,138.66x = 81,217.26 × 18,598.29
  4. Step 4: Simplify right side
    54,138.66x = 1,510,502,154.49
  5. Step 5: Solve for x
    x = 1,510,502,154.49/54,138.66
  6. Step 6: Final answer
    x = 27,900.62

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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.