Home / 53,757.29-80,637.04-19,561.89

Finding the Fourth Proportional to 53,757.29, 80,637.04 and 19,561.89

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Solution

The fourth proportional to 53,757.29, 80,637.04 and 19,561.89 is: 29,343.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,757.29 : 80,637.04 = 19,561.89 : x
  2. Step 2: Convert to fraction form
    53,757.29/80,637.04 = 19,561.89/x
  3. Step 3: Cross multiply
    53,757.29x = 80,637.04 × 19,561.89
  4. Step 4: Simplify right side
    53,757.29x = 1,577,413,082.05
  5. Step 5: Solve for x
    x = 1,577,413,082.05/53,757.29
  6. Step 6: Final answer
    x = 29,343.24

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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.