Home / 47,076.78-64,977.16-26,945.28

Finding the Fourth Proportional to 47,076.78, 64,977.16 and 26,945.28

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Solution

The fourth proportional to 47,076.78, 64,977.16 and 26,945.28 is: 37,190.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,076.78 : 64,977.16 = 26,945.28 : x
  2. Step 2: Convert to fraction form
    47,076.78/64,977.16 = 26,945.28/x
  3. Step 3: Cross multiply
    47,076.78x = 64,977.16 × 26,945.28
  4. Step 4: Simplify right side
    47,076.78x = 1,750,827,769.80
  5. Step 5: Solve for x
    x = 1,750,827,769.80/47,076.78
  6. Step 6: Final answer
    x = 37,190.90

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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.