Home / 49,318.39-68,040.26-31,410.19

Finding the Fourth Proportional to 49,318.39, 68,040.26 and 31,410.19

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Solution

The fourth proportional to 49,318.39, 68,040.26 and 31,410.19 is: 43,333.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,318.39 : 68,040.26 = 31,410.19 : x
  2. Step 2: Convert to fraction form
    49,318.39/68,040.26 = 31,410.19/x
  3. Step 3: Cross multiply
    49,318.39x = 68,040.26 × 31,410.19
  4. Step 4: Simplify right side
    49,318.39x = 2,137,157,337.20
  5. Step 5: Solve for x
    x = 2,137,157,337.20/49,318.39
  6. Step 6: Final answer
    x = 43,333.88

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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.