Home / 45,971.20-63,447.08-28,076.48

Finding the Fourth Proportional to 45,971.20, 63,447.08 and 28,076.48

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Solution

The fourth proportional to 45,971.20, 63,447.08 and 28,076.48 is: 38,749.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,971.20 : 63,447.08 = 28,076.48 : x
  2. Step 2: Convert to fraction form
    45,971.20/63,447.08 = 28,076.48/x
  3. Step 3: Cross multiply
    45,971.20x = 63,447.08 × 28,076.48
  4. Step 4: Simplify right side
    45,971.20x = 1,781,370,672.68
  5. Step 5: Solve for x
    x = 1,781,370,672.68/45,971.20
  6. Step 6: Final answer
    x = 38,749.71

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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.