Home / 55,139.94-76,097.07-31,268.70

Finding the Fourth Proportional to 55,139.94, 76,097.07 and 31,268.70

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Solution

The fourth proportional to 55,139.94, 76,097.07 and 31,268.70 is: 43,153.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,139.94 : 76,097.07 = 31,268.70 : x
  2. Step 2: Convert to fraction form
    55,139.94/76,097.07 = 31,268.70/x
  3. Step 3: Cross multiply
    55,139.94x = 76,097.07 × 31,268.70
  4. Step 4: Simplify right side
    55,139.94x = 2,379,456,452.71
  5. Step 5: Solve for x
    x = 2,379,456,452.71/55,139.94
  6. Step 6: Final answer
    x = 43,153.05

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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.