Home / 55,815.51-83,734.79-18,377.82

Finding the Fourth Proportional to 55,815.51, 83,734.79 and 18,377.82

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Solution

The fourth proportional to 55,815.51, 83,734.79 and 18,377.82 is: 27,570.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,815.51 : 83,734.79 = 18,377.82 : x
  2. Step 2: Convert to fraction form
    55,815.51/83,734.79 = 18,377.82/x
  3. Step 3: Cross multiply
    55,815.51x = 83,734.79 × 18,377.82
  4. Step 4: Simplify right side
    55,815.51x = 1,538,862,806.47
  5. Step 5: Solve for x
    x = 1,538,862,806.47/55,815.51
  6. Step 6: Final answer
    x = 27,570.52

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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.