Home / 55,035.28-75,948.78-31,163.32

Finding the Fourth Proportional to 55,035.28, 75,948.78 and 31,163.32

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Solution

The fourth proportional to 55,035.28, 75,948.78 and 31,163.32 is: 43,005.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,035.28 : 75,948.78 = 31,163.32 : x
  2. Step 2: Convert to fraction form
    55,035.28/75,948.78 = 31,163.32/x
  3. Step 3: Cross multiply
    55,035.28x = 75,948.78 × 31,163.32
  4. Step 4: Simplify right side
    55,035.28x = 2,366,816,134.75
  5. Step 5: Solve for x
    x = 2,366,816,134.75/55,035.28
  6. Step 6: Final answer
    x = 43,005.43

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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.