Home / 54,137.23-81,185.63-18,588.46

Finding the Fourth Proportional to 54,137.23, 81,185.63 and 18,588.46

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Solution

The fourth proportional to 54,137.23, 81,185.63 and 18,588.46 is: 27,875.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,137.23 : 81,185.63 = 18,588.46 : x
  2. Step 2: Convert to fraction form
    54,137.23/81,185.63 = 18,588.46/x
  3. Step 3: Cross multiply
    54,137.23x = 81,185.63 × 18,588.46
  4. Step 4: Simplify right side
    54,137.23x = 1,509,115,742.89
  5. Step 5: Solve for x
    x = 1,509,115,742.89/54,137.23
  6. Step 6: Final answer
    x = 27,875.75

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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.