Home / 36,918.40-50,947.52-20,151.68

Finding the Fourth Proportional to 36,918.40, 50,947.52 and 20,151.68

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Solution

The fourth proportional to 36,918.40, 50,947.52 and 20,151.68 is: 27,809.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,918.40 : 50,947.52 = 20,151.68 : x
  2. Step 2: Convert to fraction form
    36,918.40/50,947.52 = 20,151.68/x
  3. Step 3: Cross multiply
    36,918.40x = 50,947.52 × 20,151.68
  4. Step 4: Simplify right side
    36,918.40x = 1,026,678,119.83
  5. Step 5: Solve for x
    x = 1,026,678,119.83/36,918.40
  6. Step 6: Final answer
    x = 27,809.39

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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.