Home / 37,618.22-51,917.45-21,488.06

Finding the Fourth Proportional to 37,618.22, 51,917.45 and 21,488.06

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Solution

The fourth proportional to 37,618.22, 51,917.45 and 21,488.06 is: 29,655.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,618.22 : 51,917.45 = 21,488.06 : x
  2. Step 2: Convert to fraction form
    37,618.22/51,917.45 = 21,488.06/x
  3. Step 3: Cross multiply
    37,618.22x = 51,917.45 × 21,488.06
  4. Step 4: Simplify right side
    37,618.22x = 1,115,605,464.16
  5. Step 5: Solve for x
    x = 1,115,605,464.16/37,618.22
  6. Step 6: Final answer
    x = 29,655.99

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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.