Home / 47,980.28-66,191.39-27,825.48

Finding the Fourth Proportional to 47,980.28, 66,191.39 and 27,825.48

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Solution

The fourth proportional to 47,980.28, 66,191.39 and 27,825.48 is: 38,386.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,980.28 : 66,191.39 = 27,825.48 : x
  2. Step 2: Convert to fraction form
    47,980.28/66,191.39 = 27,825.48/x
  3. Step 3: Cross multiply
    47,980.28x = 66,191.39 × 27,825.48
  4. Step 4: Simplify right side
    47,980.28x = 1,841,807,059.49
  5. Step 5: Solve for x
    x = 1,841,807,059.49/47,980.28
  6. Step 6: Final answer
    x = 38,386.75

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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.