Home / 55,036.50-75,951.32-29,886

Finding the Fourth Proportional to 55,036.50, 75,951.32 and 29,886

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Solution

The fourth proportional to 55,036.50, 75,951.32 and 29,886 is: 41,243.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,036.50 : 75,951.32 = 29,886 : x
  2. Step 2: Convert to fraction form
    55,036.50/75,951.32 = 29,886/x
  3. Step 3: Cross multiply
    55,036.50x = 75,951.32 × 29,886
  4. Step 4: Simplify right side
    55,036.50x = 2,269,881,000.09
  5. Step 5: Solve for x
    x = 2,269,881,000.09/55,036.50
  6. Step 6: Final answer
    x = 41,243.19

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Why These Related Problems?

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