Home / 35,634.77-49,172.65-21,291.75

Finding the Fourth Proportional to 35,634.77, 49,172.65 and 21,291.75

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Solution

The fourth proportional to 35,634.77, 49,172.65 and 21,291.75 is: 29,380.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,634.77 : 49,172.65 = 21,291.75 : x
  2. Step 2: Convert to fraction form
    35,634.77/49,172.65 = 21,291.75/x
  3. Step 3: Cross multiply
    35,634.77x = 49,172.65 × 21,291.75
  4. Step 4: Simplify right side
    35,634.77x = 1,046,971,797.25
  5. Step 5: Solve for x
    x = 1,046,971,797.25/35,634.77
  6. Step 6: Final answer
    x = 29,380.62

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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.