Home / 37,742.71-52,083.80-21,609.48

Finding the Fourth Proportional to 37,742.71, 52,083.80 and 21,609.48

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Solution

The fourth proportional to 37,742.71, 52,083.80 and 21,609.48 is: 29,820.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,742.71 : 52,083.80 = 21,609.48 : x
  2. Step 2: Convert to fraction form
    37,742.71/52,083.80 = 21,609.48/x
  3. Step 3: Cross multiply
    37,742.71x = 52,083.80 × 21,609.48
  4. Step 4: Simplify right side
    37,742.71x = 1,125,503,888.45
  5. Step 5: Solve for x
    x = 1,125,503,888.45/37,742.71
  6. Step 6: Final answer
    x = 29,820.43

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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.