Home / 54,494.19-81,754.38-18,950.31

Finding the Fourth Proportional to 54,494.19, 81,754.38 and 18,950.31

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Solution

The fourth proportional to 54,494.19, 81,754.38 and 18,950.31 is: 28,430.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,494.19 : 81,754.38 = 18,950.31 : x
  2. Step 2: Convert to fraction form
    54,494.19/81,754.38 = 18,950.31/x
  3. Step 3: Cross multiply
    54,494.19x = 81,754.38 × 18,950.31
  4. Step 4: Simplify right side
    54,494.19x = 1,549,270,844.86
  5. Step 5: Solve for x
    x = 1,549,270,844.86/54,494.19
  6. Step 6: Final answer
    x = 28,430.02

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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.