Home / 47,998.13-66,239.21-26,781.48

Finding the Fourth Proportional to 47,998.13, 66,239.21 and 26,781.48

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Solution

The fourth proportional to 47,998.13, 66,239.21 and 26,781.48 is: 36,959.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,998.13 : 66,239.21 = 26,781.48 : x
  2. Step 2: Convert to fraction form
    47,998.13/66,239.21 = 26,781.48/x
  3. Step 3: Cross multiply
    47,998.13x = 66,239.21 × 26,781.48
  4. Step 4: Simplify right side
    47,998.13x = 1,773,984,144.78
  5. Step 5: Solve for x
    x = 1,773,984,144.78/47,998.13
  6. Step 6: Final answer
    x = 36,959.45

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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.