Home / 37,210.12-51,351.06-21,299.68

Finding the Fourth Proportional to 37,210.12, 51,351.06 and 21,299.68

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Solution

The fourth proportional to 37,210.12, 51,351.06 and 21,299.68 is: 29,394.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,210.12 : 51,351.06 = 21,299.68 : x
  2. Step 2: Convert to fraction form
    37,210.12/51,351.06 = 21,299.68/x
  3. Step 3: Cross multiply
    37,210.12x = 51,351.06 × 21,299.68
  4. Step 4: Simplify right side
    37,210.12x = 1,093,761,145.66
  5. Step 5: Solve for x
    x = 1,093,761,145.66/37,210.12
  6. Step 6: Final answer
    x = 29,394.18

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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.