Home / 36,224.16-49,983.84-20,306.40

Finding the Fourth Proportional to 36,224.16, 49,983.84 and 20,306.40

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Solution

The fourth proportional to 36,224.16, 49,983.84 and 20,306.40 is: 28,019.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,224.16 : 49,983.84 = 20,306.40 : x
  2. Step 2: Convert to fraction form
    36,224.16/49,983.84 = 20,306.40/x
  3. Step 3: Cross multiply
    36,224.16x = 49,983.84 × 20,306.40
  4. Step 4: Simplify right side
    36,224.16x = 1,014,991,848.58
  5. Step 5: Solve for x
    x = 1,014,991,848.58/36,224.16
  6. Step 6: Final answer
    x = 28,019.75

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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.