Home / 55,087.81-75,995.25-39,947.26

Finding the Fourth Proportional to 55,087.81, 75,995.25 and 39,947.26

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Solution

The fourth proportional to 55,087.81, 75,995.25 and 39,947.26 is: 55,108.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,087.81 : 75,995.25 = 39,947.26 : x
  2. Step 2: Convert to fraction form
    55,087.81/75,995.25 = 39,947.26/x
  3. Step 3: Cross multiply
    55,087.81x = 75,995.25 × 39,947.26
  4. Step 4: Simplify right side
    55,087.81x = 3,035,802,010.52
  5. Step 5: Solve for x
    x = 3,035,802,010.52/55,087.81
  6. Step 6: Final answer
    x = 55,108.42

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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.