Home / 55,377.72-83,067.75-19,841.35

Finding the Fourth Proportional to 55,377.72, 83,067.75 and 19,841.35

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Solution

The fourth proportional to 55,377.72, 83,067.75 and 19,841.35 is: 29,762.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,377.72 : 83,067.75 = 19,841.35 : x
  2. Step 2: Convert to fraction form
    55,377.72/83,067.75 = 19,841.35/x
  3. Step 3: Cross multiply
    55,377.72x = 83,067.75 × 19,841.35
  4. Step 4: Simplify right side
    55,377.72x = 1,648,176,301.46
  5. Step 5: Solve for x
    x = 1,648,176,301.46/55,377.72
  6. Step 6: Final answer
    x = 29,762.45

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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.