Home / 47,979.96-66,190.93-27,825.16

Finding the Fourth Proportional to 47,979.96, 66,190.93 and 27,825.16

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Solution

The fourth proportional to 47,979.96, 66,190.93 and 27,825.16 is: 38,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,979.96 : 66,190.93 = 27,825.16 : x
  2. Step 2: Convert to fraction form
    47,979.96/66,190.93 = 27,825.16/x
  3. Step 3: Cross multiply
    47,979.96x = 66,190.93 × 27,825.16
  4. Step 4: Simplify right side
    47,979.96x = 1,841,772,974.66
  5. Step 5: Solve for x
    x = 1,841,772,974.66/47,979.96
  6. Step 6: Final answer
    x = 38,386.30

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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.