Home / 31,051.87-42,850.68-17,624.36

Finding the Fourth Proportional to 31,051.87, 42,850.68 and 17,624.36

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Solution

The fourth proportional to 31,051.87, 42,850.68 and 17,624.36 is: 24,321.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,051.87 : 42,850.68 = 17,624.36 : x
  2. Step 2: Convert to fraction form
    31,051.87/42,850.68 = 17,624.36/x
  3. Step 3: Cross multiply
    31,051.87x = 42,850.68 × 17,624.36
  4. Step 4: Simplify right side
    31,051.87x = 755,215,810.56
  5. Step 5: Solve for x
    x = 755,215,810.56/31,051.87
  6. Step 6: Final answer
    x = 24,321.11

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1.5x scale

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.