Home / 55,837.78-83,755.34-13,717.79

Finding the Fourth Proportional to 55,837.78, 83,755.34 and 13,717.79

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Solution

The fourth proportional to 55,837.78, 83,755.34 and 13,717.79 is: 20,576.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,837.78 : 83,755.34 = 13,717.79 : x
  2. Step 2: Convert to fraction form
    55,837.78/83,755.34 = 13,717.79/x
  3. Step 3: Cross multiply
    55,837.78x = 83,755.34 × 13,717.79
  4. Step 4: Simplify right side
    55,837.78x = 1,148,937,781.02
  5. Step 5: Solve for x
    x = 1,148,937,781.02/55,837.78
  6. Step 6: Final answer
    x = 20,576.35

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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.