Home / 55,049.77-75,967.09-31,178.53

Finding the Fourth Proportional to 55,049.77, 75,967.09 and 31,178.53

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Solution

The fourth proportional to 55,049.77, 75,967.09 and 31,178.53 is: 43,025.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,049.77 : 75,967.09 = 31,178.53 : x
  2. Step 2: Convert to fraction form
    55,049.77/75,967.09 = 31,178.53/x
  3. Step 3: Cross multiply
    55,049.77x = 75,967.09 × 31,178.53
  4. Step 4: Simplify right side
    55,049.77x = 2,368,542,194.58
  5. Step 5: Solve for x
    x = 2,368,542,194.58/55,049.77
  6. Step 6: Final answer
    x = 43,025.47

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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.