Home / 36,685.12-50,637.52-21,577.12

Finding the Fourth Proportional to 36,685.12, 50,637.52 and 21,577.12

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Solution

The fourth proportional to 36,685.12, 50,637.52 and 21,577.12 is: 29,783.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,685.12 : 50,637.52 = 21,577.12 : x
  2. Step 2: Convert to fraction form
    36,685.12/50,637.52 = 21,577.12/x
  3. Step 3: Cross multiply
    36,685.12x = 50,637.52 × 21,577.12
  4. Step 4: Simplify right side
    36,685.12x = 1,092,611,845.54
  5. Step 5: Solve for x
    x = 1,092,611,845.54/36,685.12
  6. Step 6: Final answer
    x = 29,783.52

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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.