Home / 54,604.32-81,926.19-19,070.87

Finding the Fourth Proportional to 54,604.32, 81,926.19 and 19,070.87

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Solution

The fourth proportional to 54,604.32, 81,926.19 and 19,070.87 is: 28,613.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,604.32 : 81,926.19 = 19,070.87 : x
  2. Step 2: Convert to fraction form
    54,604.32/81,926.19 = 19,070.87/x
  3. Step 3: Cross multiply
    54,604.32x = 81,926.19 × 19,070.87
  4. Step 4: Simplify right side
    54,604.32x = 1,562,403,719.09
  5. Step 5: Solve for x
    x = 1,562,403,719.09/54,604.32
  6. Step 6: Final answer
    x = 28,613.19

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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.