Home / 35,634.52-49,172.31-21,291.50

Finding the Fourth Proportional to 35,634.52, 49,172.31 and 21,291.50

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Solution

The fourth proportional to 35,634.52, 49,172.31 and 21,291.50 is: 29,380.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,634.52 : 49,172.31 = 21,291.50 : x
  2. Step 2: Convert to fraction form
    35,634.52/49,172.31 = 21,291.50/x
  3. Step 3: Cross multiply
    35,634.52x = 49,172.31 × 21,291.50
  4. Step 4: Simplify right side
    35,634.52x = 1,046,952,070.44
  5. Step 5: Solve for x
    x = 1,046,952,070.44/35,634.52
  6. Step 6: Final answer
    x = 29,380.27

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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.