Home / 50,186.79-69,287.81-31,349.43

Finding the Fourth Proportional to 50,186.79, 69,287.81 and 31,349.43

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Solution

The fourth proportional to 50,186.79, 69,287.81 and 31,349.43 is: 43,280.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,186.79 : 69,287.81 = 31,349.43 : x
  2. Step 2: Convert to fraction form
    50,186.79/69,287.81 = 31,349.43/x
  3. Step 3: Cross multiply
    50,186.79x = 69,287.81 × 31,349.43
  4. Step 4: Simplify right side
    50,186.79x = 2,172,133,192.70
  5. Step 5: Solve for x
    x = 2,172,133,192.70/50,186.79
  6. Step 6: Final answer
    x = 43,280.97

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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.