Home / 36,907.13-50,934.57-20,996.70

Finding the Fourth Proportional to 36,907.13, 50,934.57 and 20,996.70

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Solution

The fourth proportional to 36,907.13, 50,934.57 and 20,996.70 is: 28,977.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,907.13 : 50,934.57 = 20,996.70 : x
  2. Step 2: Convert to fraction form
    36,907.13/50,934.57 = 20,996.70/x
  3. Step 3: Cross multiply
    36,907.13x = 50,934.57 × 20,996.70
  4. Step 4: Simplify right side
    36,907.13x = 1,069,457,885.92
  5. Step 5: Solve for x
    x = 1,069,457,885.92/36,907.13
  6. Step 6: Final answer
    x = 28,977.00

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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.