Home / 36,008.56-49,701.63-20,905.95

Finding the Fourth Proportional to 36,008.56, 49,701.63 and 20,905.95

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Solution

The fourth proportional to 36,008.56, 49,701.63 and 20,905.95 is: 28,855.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,008.56 : 49,701.63 = 20,905.95 : x
  2. Step 2: Convert to fraction form
    36,008.56/49,701.63 = 20,905.95/x
  3. Step 3: Cross multiply
    36,008.56x = 49,701.63 × 20,905.95
  4. Step 4: Simplify right side
    36,008.56x = 1,039,059,791.70
  5. Step 5: Solve for x
    x = 1,039,059,791.70/36,008.56
  6. Step 6: Final answer
    x = 28,855.91

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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.