Home / 34,947.40-48,216.88-31,579.40

Finding the Fourth Proportional to 34,947.40, 48,216.88 and 31,579.40

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Solution

The fourth proportional to 34,947.40, 48,216.88 and 31,579.40 is: 43,570.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,947.40 : 48,216.88 = 31,579.40 : x
  2. Step 2: Convert to fraction form
    34,947.40/48,216.88 = 31,579.40/x
  3. Step 3: Cross multiply
    34,947.40x = 48,216.88 × 31,579.40
  4. Step 4: Simplify right side
    34,947.40x = 1,522,660,140.27
  5. Step 5: Solve for x
    x = 1,522,660,140.27/34,947.40
  6. Step 6: Final answer
    x = 43,570.06

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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.