Home / 37,765.91-52,118.30-21,636.11

Finding the Fourth Proportional to 37,765.91, 52,118.30 and 21,636.11

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Solution

The fourth proportional to 37,765.91, 52,118.30 and 21,636.11 is: 29,858.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,765.91 : 52,118.30 = 21,636.11 : x
  2. Step 2: Convert to fraction form
    37,765.91/52,118.30 = 21,636.11/x
  3. Step 3: Cross multiply
    37,765.91x = 52,118.30 × 21,636.11
  4. Step 4: Simplify right side
    37,765.91x = 1,127,637,456.20
  5. Step 5: Solve for x
    x = 1,127,637,456.20/37,765.91
  6. Step 6: Final answer
    x = 29,858.60

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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.