Home / 35,540.82-49,009.59-30,521.66

Finding the Fourth Proportional to 35,540.82, 49,009.59 and 30,521.66

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Solution

The fourth proportional to 35,540.82, 49,009.59 and 30,521.66 is: 42,088.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,540.82 : 49,009.59 = 30,521.66 : x
  2. Step 2: Convert to fraction form
    35,540.82/49,009.59 = 30,521.66/x
  3. Step 3: Cross multiply
    35,540.82x = 49,009.59 × 30,521.66
  4. Step 4: Simplify right side
    35,540.82x = 1,495,853,797.67
  5. Step 5: Solve for x
    x = 1,495,853,797.67/35,540.82
  6. Step 6: Final answer
    x = 42,088.33

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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.