Home / 32,726.36-45,161.12-20,000.82

Finding the Fourth Proportional to 32,726.36, 45,161.12 and 20,000.82

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Solution

The fourth proportional to 32,726.36, 45,161.12 and 20,000.82 is: 27,600.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,726.36 : 45,161.12 = 20,000.82 : x
  2. Step 2: Convert to fraction form
    32,726.36/45,161.12 = 20,000.82/x
  3. Step 3: Cross multiply
    32,726.36x = 45,161.12 × 20,000.82
  4. Step 4: Simplify right side
    32,726.36x = 903,259,432.12
  5. Step 5: Solve for x
    x = 903,259,432.12/32,726.36
  6. Step 6: Final answer
    x = 27,600.36

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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.