Home / 47,979.59-66,190.43-27,824.81

Finding the Fourth Proportional to 47,979.59, 66,190.43 and 27,824.81

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Solution

The fourth proportional to 47,979.59, 66,190.43 and 27,824.81 is: 38,385.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,979.59 : 66,190.43 = 27,824.81 : x
  2. Step 2: Convert to fraction form
    47,979.59/66,190.43 = 27,824.81/x
  3. Step 3: Cross multiply
    47,979.59x = 66,190.43 × 27,824.81
  4. Step 4: Simplify right side
    47,979.59x = 1,841,735,807.62
  5. Step 5: Solve for x
    x = 1,841,735,807.62/47,979.59
  6. Step 6: Final answer
    x = 38,385.82

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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.