Home / 55,036.13-75,947.67-31,161.38

Finding the Fourth Proportional to 55,036.13, 75,947.67 and 31,161.38

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Solution

The fourth proportional to 55,036.13, 75,947.67 and 31,161.38 is: 43,001.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,036.13 : 75,947.67 = 31,161.38 : x
  2. Step 2: Convert to fraction form
    55,036.13/75,947.67 = 31,161.38/x
  3. Step 3: Cross multiply
    55,036.13x = 75,947.67 × 31,161.38
  4. Step 4: Simplify right side
    55,036.13x = 2,366,633,825.25
  5. Step 5: Solve for x
    x = 2,366,633,825.25/55,036.13
  6. Step 6: Final answer
    x = 43,001.46

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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.