Home / 53,718.30-80,549.10-18,167.40

Finding the Fourth Proportional to 53,718.30, 80,549.10 and 18,167.40

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Solution

The fourth proportional to 53,718.30, 80,549.10 and 18,167.40 is: 27,241.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,718.30 : 80,549.10 = 18,167.40 : x
  2. Step 2: Convert to fraction form
    53,718.30/80,549.10 = 18,167.40/x
  3. Step 3: Cross multiply
    53,718.30x = 80,549.10 × 18,167.40
  4. Step 4: Simplify right side
    53,718.30x = 1,463,367,719.34
  5. Step 5: Solve for x
    x = 1,463,367,719.34/53,718.30
  6. Step 6: Final answer
    x = 27,241.51

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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.