Home / 47,721.72-65,865.65-27,579.45

Finding the Fourth Proportional to 47,721.72, 65,865.65 and 27,579.45

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Solution

The fourth proportional to 47,721.72, 65,865.65 and 27,579.45 is: 38,065.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,721.72 : 65,865.65 = 27,579.45 : x
  2. Step 2: Convert to fraction form
    47,721.72/65,865.65 = 27,579.45/x
  3. Step 3: Cross multiply
    47,721.72x = 65,865.65 × 27,579.45
  4. Step 4: Simplify right side
    47,721.72x = 1,816,538,263.00
  5. Step 5: Solve for x
    x = 1,816,538,263.00/47,721.72
  6. Step 6: Final answer
    x = 38,065.23

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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.