Home / 54,192.48-81,284.12-18,650.88

Finding the Fourth Proportional to 54,192.48, 81,284.12 and 18,650.88

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Solution

The fourth proportional to 54,192.48, 81,284.12 and 18,650.88 is: 27,974.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,192.48 : 81,284.12 = 18,650.88 : x
  2. Step 2: Convert to fraction form
    54,192.48/81,284.12 = 18,650.88/x
  3. Step 3: Cross multiply
    54,192.48x = 81,284.12 × 18,650.88
  4. Step 4: Simplify right side
    54,192.48x = 1,516,020,368.03
  5. Step 5: Solve for x
    x = 1,516,020,368.03/54,192.48
  6. Step 6: Final answer
    x = 27,974.74

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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.