Home / 36,433.16-50,280.84-20,520.74

Finding the Fourth Proportional to 36,433.16, 50,280.84 and 20,520.74

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Solution

The fourth proportional to 36,433.16, 50,280.84 and 20,520.74 is: 28,320.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,433.16 : 50,280.84 = 20,520.74 : x
  2. Step 2: Convert to fraction form
    36,433.16/50,280.84 = 20,520.74/x
  3. Step 3: Cross multiply
    36,433.16x = 50,280.84 × 20,520.74
  4. Step 4: Simplify right side
    36,433.16x = 1,031,800,044.62
  5. Step 5: Solve for x
    x = 1,031,800,044.62/36,433.16
  6. Step 6: Final answer
    x = 28,320.36

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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.