Home / 35,612.58-53,400.45-20,825.82

Finding the Fourth Proportional to 35,612.58, 53,400.45 and 20,825.82

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Solution

The fourth proportional to 35,612.58, 53,400.45 and 20,825.82 is: 31,227.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,612.58 : 53,400.45 = 20,825.82 : x
  2. Step 2: Convert to fraction form
    35,612.58/53,400.45 = 20,825.82/x
  3. Step 3: Cross multiply
    35,612.58x = 53,400.45 × 20,825.82
  4. Step 4: Simplify right side
    35,612.58x = 1,112,108,159.62
  5. Step 5: Solve for x
    x = 1,112,108,159.62/35,612.58
  6. Step 6: Final answer
    x = 31,227.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.