Home / 31,539.20-43,502.28-25,571.12

Finding the Fourth Proportional to 31,539.20, 43,502.28 and 25,571.12

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Solution

The fourth proportional to 31,539.20, 43,502.28 and 25,571.12 is: 35,270.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,539.20 : 43,502.28 = 25,571.12 : x
  2. Step 2: Convert to fraction form
    31,539.20/43,502.28 = 25,571.12/x
  3. Step 3: Cross multiply
    31,539.20x = 43,502.28 × 25,571.12
  4. Step 4: Simplify right side
    31,539.20x = 1,112,402,022.15
  5. Step 5: Solve for x
    x = 1,112,402,022.15/31,539.20
  6. Step 6: Final answer
    x = 35,270.46

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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.