Home / 31,315.44-43,190.20-27,530.56

Finding the Fourth Proportional to 31,315.44, 43,190.20 and 27,530.56

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Solution

The fourth proportional to 31,315.44, 43,190.20 and 27,530.56 is: 37,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,315.44 : 43,190.20 = 27,530.56 : x
  2. Step 2: Convert to fraction form
    31,315.44/43,190.20 = 27,530.56/x
  3. Step 3: Cross multiply
    31,315.44x = 43,190.20 × 27,530.56
  4. Step 4: Simplify right side
    31,315.44x = 1,189,050,392.51
  5. Step 5: Solve for x
    x = 1,189,050,392.51/31,315.44
  6. Step 6: Final answer
    x = 37,970.10

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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.