Home / 43,356.32-65,043.66-15,275.24

Finding the Fourth Proportional to 43,356.32, 65,043.66 and 15,275.24

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Solution

The fourth proportional to 43,356.32, 65,043.66 and 15,275.24 is: 22,916.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,356.32 : 65,043.66 = 15,275.24 : x
  2. Step 2: Convert to fraction form
    43,356.32/65,043.66 = 15,275.24/x
  3. Step 3: Cross multiply
    43,356.32x = 65,043.66 × 15,275.24
  4. Step 4: Simplify right side
    43,356.32x = 993,557,516.98
  5. Step 5: Solve for x
    x = 993,557,516.98/43,356.32
  6. Step 6: Final answer
    x = 22,916.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.