Home / 53,081.16-73,252.55-30,419.66

Finding the Fourth Proportional to 53,081.16, 73,252.55 and 30,419.66

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Solution

The fourth proportional to 53,081.16, 73,252.55 and 30,419.66 is: 41,979.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,081.16 : 73,252.55 = 30,419.66 : x
  2. Step 2: Convert to fraction form
    53,081.16/73,252.55 = 30,419.66/x
  3. Step 3: Cross multiply
    53,081.16x = 73,252.55 × 30,419.66
  4. Step 4: Simplify right side
    53,081.16x = 2,228,317,146.77
  5. Step 5: Solve for x
    x = 2,228,317,146.77/53,081.16
  6. Step 6: Final answer
    x = 41,979.44

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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.