Home / 37,947.26-52,318.53-31,116.11

Finding the Fourth Proportional to 37,947.26, 52,318.53 and 31,116.11

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Solution

The fourth proportional to 37,947.26, 52,318.53 and 31,116.11 is: 42,900.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,947.26 : 52,318.53 = 31,116.11 : x
  2. Step 2: Convert to fraction form
    37,947.26/52,318.53 = 31,116.11/x
  3. Step 3: Cross multiply
    37,947.26x = 52,318.53 × 31,116.11
  4. Step 4: Simplify right side
    37,947.26x = 1,627,949,134.52
  5. Step 5: Solve for x
    x = 1,627,949,134.52/37,947.26
  6. Step 6: Final answer
    x = 42,900.31

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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.