Home / 31,224.06-43,064.70-27,642.78

Finding the Fourth Proportional to 31,224.06, 43,064.70 and 27,642.78

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Solution

The fourth proportional to 31,224.06, 43,064.70 and 27,642.78 is: 38,125.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,224.06 : 43,064.70 = 27,642.78 : x
  2. Step 2: Convert to fraction form
    31,224.06/43,064.70 = 27,642.78/x
  3. Step 3: Cross multiply
    31,224.06x = 43,064.70 × 27,642.78
  4. Step 4: Simplify right side
    31,224.06x = 1,190,428,027.87
  5. Step 5: Solve for x
    x = 1,190,428,027.87/31,224.06
  6. Step 6: Final answer
    x = 38,125.34

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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.