Home / 36,116.20-49,827.40-21,003.36

Finding the Fourth Proportional to 36,116.20, 49,827.40 and 21,003.36

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Solution

The fourth proportional to 36,116.20, 49,827.40 and 21,003.36 is: 28,977.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,116.20 : 49,827.40 = 21,003.36 : x
  2. Step 2: Convert to fraction form
    36,116.20/49,827.40 = 21,003.36/x
  3. Step 3: Cross multiply
    36,116.20x = 49,827.40 × 21,003.36
  4. Step 4: Simplify right side
    36,116.20x = 1,046,542,820.06
  5. Step 5: Solve for x
    x = 1,046,542,820.06/36,116.20
  6. Step 6: Final answer
    x = 28,977.10

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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.