Home / 29,318.34-43,977.56-7,131.74

Finding the Fourth Proportional to 29,318.34, 43,977.56 and 7,131.74

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Solution

The fourth proportional to 29,318.34, 43,977.56 and 7,131.74 is: 10,697.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,318.34 : 43,977.56 = 7,131.74 : x
  2. Step 2: Convert to fraction form
    29,318.34/43,977.56 = 7,131.74/x
  3. Step 3: Cross multiply
    29,318.34x = 43,977.56 × 7,131.74
  4. Step 4: Simplify right side
    29,318.34x = 313,636,268.21
  5. Step 5: Solve for x
    x = 313,636,268.21/29,318.34
  6. Step 6: Final answer
    x = 10,697.61

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1.5x scale

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.