Home / 37,810.80-52,179.12-20,816.76

Finding the Fourth Proportional to 37,810.80, 52,179.12 and 20,816.76

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Solution

The fourth proportional to 37,810.80, 52,179.12 and 20,816.76 is: 28,727.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,810.80 : 52,179.12 = 20,816.76 : x
  2. Step 2: Convert to fraction form
    37,810.80/52,179.12 = 20,816.76/x
  3. Step 3: Cross multiply
    37,810.80x = 52,179.12 × 20,816.76
  4. Step 4: Simplify right side
    37,810.80x = 1,086,200,218.05
  5. Step 5: Solve for x
    x = 1,086,200,218.05/37,810.80
  6. Step 6: Final answer
    x = 28,727.25

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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.