Home / 47,939.06-66,156.26-27,515.70

Finding the Fourth Proportional to 47,939.06, 66,156.26 and 27,515.70

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Solution

The fourth proportional to 47,939.06, 66,156.26 and 27,515.70 is: 37,971.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,939.06 : 66,156.26 = 27,515.70 : x
  2. Step 2: Convert to fraction form
    47,939.06/66,156.26 = 27,515.70/x
  3. Step 3: Cross multiply
    47,939.06x = 66,156.26 × 27,515.70
  4. Step 4: Simplify right side
    47,939.06x = 1,820,335,665.70
  5. Step 5: Solve for x
    x = 1,820,335,665.70/47,939.06
  6. Step 6: Final answer
    x = 37,971.87

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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.