Home / 57,253.38-79,009.12-31,759.80

Finding the Fourth Proportional to 57,253.38, 79,009.12 and 31,759.80

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Solution

The fourth proportional to 57,253.38, 79,009.12 and 31,759.80 is: 43,828.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,253.38 : 79,009.12 = 31,759.80 : x
  2. Step 2: Convert to fraction form
    57,253.38/79,009.12 = 31,759.80/x
  3. Step 3: Cross multiply
    57,253.38x = 79,009.12 × 31,759.80
  4. Step 4: Simplify right side
    57,253.38x = 2,509,313,592.79
  5. Step 5: Solve for x
    x = 2,509,313,592.79/57,253.38
  6. Step 6: Final answer
    x = 43,828.22

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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.