Home / 47,980.43-66,191.57-27,825.62

Finding the Fourth Proportional to 47,980.43, 66,191.57 and 27,825.62

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Solution

The fourth proportional to 47,980.43, 66,191.57 and 27,825.62 is: 38,386.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,980.43 : 66,191.57 = 27,825.62 : x
  2. Step 2: Convert to fraction form
    47,980.43/66,191.57 = 27,825.62/x
  3. Step 3: Cross multiply
    47,980.43x = 66,191.57 × 27,825.62
  4. Step 4: Simplify right side
    47,980.43x = 1,841,821,709.07
  5. Step 5: Solve for x
    x = 1,841,821,709.07/47,980.43
  6. Step 6: Final answer
    x = 38,386.94

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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.