Home / 47,086.20-64,979.64-25,865.28

Finding the Fourth Proportional to 47,086.20, 64,979.64 and 25,865.28

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Solution

The fourth proportional to 47,086.20, 64,979.64 and 25,865.28 is: 35,694.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,086.20 : 64,979.64 = 25,865.28 : x
  2. Step 2: Convert to fraction form
    47,086.20/64,979.64 = 25,865.28/x
  3. Step 3: Cross multiply
    47,086.20x = 64,979.64 × 25,865.28
  4. Step 4: Simplify right side
    47,086.20x = 1,680,716,582.90
  5. Step 5: Solve for x
    x = 1,680,716,582.90/47,086.20
  6. Step 6: Final answer
    x = 35,694.46

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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.