Home / 37,342.22-51,536.66-20,992.10

Finding the Fourth Proportional to 37,342.22, 51,536.66 and 20,992.10

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Solution

The fourth proportional to 37,342.22, 51,536.66 and 20,992.10 is: 28,971.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,342.22 : 51,536.66 = 20,992.10 : x
  2. Step 2: Convert to fraction form
    37,342.22/51,536.66 = 20,992.10/x
  3. Step 3: Cross multiply
    37,342.22x = 51,536.66 × 20,992.10
  4. Step 4: Simplify right side
    37,342.22x = 1,081,862,357.74
  5. Step 5: Solve for x
    x = 1,081,862,357.74/37,342.22
  6. Step 6: Final answer
    x = 28,971.56

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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.