Home / 55,939.09-77,196.10-30,788.59

Finding the Fourth Proportional to 55,939.09, 77,196.10 and 30,788.59

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Solution

The fourth proportional to 55,939.09, 77,196.10 and 30,788.59 is: 42,488.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,939.09 : 77,196.10 = 30,788.59 : x
  2. Step 2: Convert to fraction form
    55,939.09/77,196.10 = 30,788.59/x
  3. Step 3: Cross multiply
    55,939.09x = 77,196.10 × 30,788.59
  4. Step 4: Simplify right side
    55,939.09x = 2,376,759,072.50
  5. Step 5: Solve for x
    x = 2,376,759,072.50/55,939.09
  6. Step 6: Final answer
    x = 42,488.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.