Home / 55,036.44-75,948.80-31,165.38

Finding the Fourth Proportional to 55,036.44, 75,948.80 and 31,165.38

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Solution

The fourth proportional to 55,036.44, 75,948.80 and 31,165.38 is: 43,007.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,036.44 : 75,948.80 = 31,165.38 : x
  2. Step 2: Convert to fraction form
    55,036.44/75,948.80 = 31,165.38/x
  3. Step 3: Cross multiply
    55,036.44x = 75,948.80 × 31,165.38
  4. Step 4: Simplify right side
    55,036.44x = 2,366,973,212.54
  5. Step 5: Solve for x
    x = 2,366,973,212.54/55,036.44
  6. Step 6: Final answer
    x = 43,007.38

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1.5x scale

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.