Home / 62,820.12-94,204.64-31,218.88

Finding the Fourth Proportional to 62,820.12, 94,204.64 and 31,218.88

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Solution

The fourth proportional to 62,820.12, 94,204.64 and 31,218.88 is: 46,815.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,820.12 : 94,204.64 = 31,218.88 : x
  2. Step 2: Convert to fraction form
    62,820.12/94,204.64 = 31,218.88/x
  3. Step 3: Cross multiply
    62,820.12x = 94,204.64 × 31,218.88
  4. Step 4: Simplify right side
    62,820.12x = 2,940,963,351.60
  5. Step 5: Solve for x
    x = 2,940,963,351.60/62,820.12
  6. Step 6: Final answer
    x = 46,815.63

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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.