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Finding the Fourth Proportional to 62,622.52, 86,420.13 and 33,943.09

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Solution

The fourth proportional to 62,622.52, 86,420.13 and 33,943.09 is: 46,842.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,622.52 : 86,420.13 = 33,943.09 : x
  2. Step 2: Convert to fraction form
    62,622.52/86,420.13 = 33,943.09/x
  3. Step 3: Cross multiply
    62,622.52x = 86,420.13 × 33,943.09
  4. Step 4: Simplify right side
    62,622.52x = 2,933,366,250.40
  5. Step 5: Solve for x
    x = 2,933,366,250.40/62,622.52
  6. Step 6: Final answer
    x = 46,842.03

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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.