Home / 47,579.78-65,660.56-26,361.02

Finding the Fourth Proportional to 47,579.78, 65,660.56 and 26,361.02

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Solution

The fourth proportional to 47,579.78, 65,660.56 and 26,361.02 is: 36,378.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,579.78 : 65,660.56 = 26,361.02 : x
  2. Step 2: Convert to fraction form
    47,579.78/65,660.56 = 26,361.02/x
  3. Step 3: Cross multiply
    47,579.78x = 65,660.56 × 26,361.02
  4. Step 4: Simplify right side
    47,579.78x = 1,730,879,335.37
  5. Step 5: Solve for x
    x = 1,730,879,335.37/47,579.78
  6. Step 6: Final answer
    x = 36,378.46

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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.