Home / 47,781.47-65,939.70-26,272.12

Finding the Fourth Proportional to 47,781.47, 65,939.70 and 26,272.12

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Solution

The fourth proportional to 47,781.47, 65,939.70 and 26,272.12 is: 36,256.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,781.47 : 65,939.70 = 26,272.12 : x
  2. Step 2: Convert to fraction form
    47,781.47/65,939.70 = 26,272.12/x
  3. Step 3: Cross multiply
    47,781.47x = 65,939.70 × 26,272.12
  4. Step 4: Simplify right side
    47,781.47x = 1,732,375,711.16
  5. Step 5: Solve for x
    x = 1,732,375,711.16/47,781.47
  6. Step 6: Final answer
    x = 36,256.22

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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.