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Finding the Fourth Proportional to 36,909.10, 50,941.02 and 21,800.71

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Solution

The fourth proportional to 36,909.10, 50,941.02 and 21,800.71 is: 30,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,909.10 : 50,941.02 = 21,800.71 : x
  2. Step 2: Convert to fraction form
    36,909.10/50,941.02 = 21,800.71/x
  3. Step 3: Cross multiply
    36,909.10x = 50,941.02 × 21,800.71
  4. Step 4: Simplify right side
    36,909.10x = 1,110,550,404.12
  5. Step 5: Solve for x
    x = 1,110,550,404.12/36,909.10
  6. Step 6: Final answer
    x = 30,088.80

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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.