Home / 47,959.38-66,182.90-27,818.15

Finding the Fourth Proportional to 47,959.38, 66,182.90 and 27,818.15

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Solution

The fourth proportional to 47,959.38, 66,182.90 and 27,818.15 is: 38,388.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,959.38 : 66,182.90 = 27,818.15 : x
  2. Step 2: Convert to fraction form
    47,959.38/66,182.90 = 27,818.15/x
  3. Step 3: Cross multiply
    47,959.38x = 66,182.90 × 27,818.15
  4. Step 4: Simplify right side
    47,959.38x = 1,841,085,369.63
  5. Step 5: Solve for x
    x = 1,841,085,369.63/47,959.38
  6. Step 6: Final answer
    x = 38,388.43

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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.