Home / 37,651.84-51,959.05-21,518.97

Finding the Fourth Proportional to 37,651.84, 51,959.05 and 21,518.97

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Solution

The fourth proportional to 37,651.84, 51,959.05 and 21,518.97 is: 29,695.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,651.84 : 51,959.05 = 21,518.97 : x
  2. Step 2: Convert to fraction form
    37,651.84/51,959.05 = 21,518.97/x
  3. Step 3: Cross multiply
    37,651.84x = 51,959.05 × 21,518.97
  4. Step 4: Simplify right side
    37,651.84x = 1,118,105,238.18
  5. Step 5: Solve for x
    x = 1,118,105,238.18/37,651.84
  6. Step 6: Final answer
    x = 29,695.90

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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.