Home / 37,865.35-52,252.05-20,869.54

Finding the Fourth Proportional to 37,865.35, 52,252.05 and 20,869.54

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Solution

The fourth proportional to 37,865.35, 52,252.05 and 20,869.54 is: 28,798.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,865.35 : 52,252.05 = 20,869.54 : x
  2. Step 2: Convert to fraction form
    37,865.35/52,252.05 = 20,869.54/x
  3. Step 3: Cross multiply
    37,865.35x = 52,252.05 × 20,869.54
  4. Step 4: Simplify right side
    37,865.35x = 1,090,476,378.19
  5. Step 5: Solve for x
    x = 1,090,476,378.19/37,865.35
  6. Step 6: Final answer
    x = 28,798.79

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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.