Home / 36,887.16-50,892.12-20,965.80

Finding the Fourth Proportional to 36,887.16, 50,892.12 and 20,965.80

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Solution

The fourth proportional to 36,887.16, 50,892.12 and 20,965.80 is: 28,925.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,887.16 : 50,892.12 = 20,965.80 : x
  2. Step 2: Convert to fraction form
    36,887.16/50,892.12 = 20,965.80/x
  3. Step 3: Cross multiply
    36,887.16x = 50,892.12 × 20,965.80
  4. Step 4: Simplify right side
    36,887.16x = 1,066,994,009.50
  5. Step 5: Solve for x
    x = 1,066,994,009.50/36,887.16
  6. Step 6: Final answer
    x = 28,925.89

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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.