Home / 36,887.56-50,909.16-20,974.40

Finding the Fourth Proportional to 36,887.56, 50,909.16 and 20,974.40

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Solution

The fourth proportional to 36,887.56, 50,909.16 and 20,974.40 is: 28,947.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,887.56 : 50,909.16 = 20,974.40 : x
  2. Step 2: Convert to fraction form
    36,887.56/50,909.16 = 20,974.40/x
  3. Step 3: Cross multiply
    36,887.56x = 50,909.16 × 20,974.40
  4. Step 4: Simplify right side
    36,887.56x = 1,067,789,085.50
  5. Step 5: Solve for x
    x = 1,067,789,085.50/36,887.56
  6. Step 6: Final answer
    x = 28,947.13

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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.