Home / 43,708.75-65,574.65-15,631.59

Finding the Fourth Proportional to 43,708.75, 65,574.65 and 15,631.59

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Solution

The fourth proportional to 43,708.75, 65,574.65 and 15,631.59 is: 23,451.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,708.75 : 65,574.65 = 15,631.59 : x
  2. Step 2: Convert to fraction form
    43,708.75/65,574.65 = 15,631.59/x
  3. Step 3: Cross multiply
    43,708.75x = 65,574.65 × 15,631.59
  4. Step 4: Simplify right side
    43,708.75x = 1,025,036,043.19
  5. Step 5: Solve for x
    x = 1,025,036,043.19/43,708.75
  6. Step 6: Final answer
    x = 23,451.51

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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.