Home / 36,402.16-50,234.93-20,486.72

Finding the Fourth Proportional to 36,402.16, 50,234.93 and 20,486.72

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Solution

The fourth proportional to 36,402.16, 50,234.93 and 20,486.72 is: 28,271.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,402.16 : 50,234.93 = 20,486.72 : x
  2. Step 2: Convert to fraction form
    36,402.16/50,234.93 = 20,486.72/x
  3. Step 3: Cross multiply
    36,402.16x = 50,234.93 × 20,486.72
  4. Step 4: Simplify right side
    36,402.16x = 1,029,149,160.35
  5. Step 5: Solve for x
    x = 1,029,149,160.35/36,402.16
  6. Step 6: Final answer
    x = 28,271.65

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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.