Home / 36,638.17-50,560.67-20,722.28

Finding the Fourth Proportional to 36,638.17, 50,560.67 and 20,722.28

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Solution

The fourth proportional to 36,638.17, 50,560.67 and 20,722.28 is: 28,596.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,638.17 : 50,560.67 = 20,722.28 : x
  2. Step 2: Convert to fraction form
    36,638.17/50,560.67 = 20,722.28/x
  3. Step 3: Cross multiply
    36,638.17x = 50,560.67 × 20,722.28
  4. Step 4: Simplify right side
    36,638.17x = 1,047,732,159.73
  5. Step 5: Solve for x
    x = 1,047,732,159.73/36,638.17
  6. Step 6: Final answer
    x = 28,596.74

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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.