Home / 47,201.96-65,138.18-25,980.78

Finding the Fourth Proportional to 47,201.96, 65,138.18 and 25,980.78

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Solution

The fourth proportional to 47,201.96, 65,138.18 and 25,980.78 is: 35,853.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,201.96 : 65,138.18 = 25,980.78 : x
  2. Step 2: Convert to fraction form
    47,201.96/65,138.18 = 25,980.78/x
  3. Step 3: Cross multiply
    47,201.96x = 65,138.18 × 25,980.78
  4. Step 4: Simplify right side
    47,201.96x = 1,692,340,724.18
  5. Step 5: Solve for x
    x = 1,692,340,724.18/47,201.96
  6. Step 6: Final answer
    x = 35,853.19

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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.