Home / 37,086.12-51,179.04-20,319.12

Finding the Fourth Proportional to 37,086.12, 51,179.04 and 20,319.12

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Solution

The fourth proportional to 37,086.12, 51,179.04 and 20,319.12 is: 28,040.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,086.12 : 51,179.04 = 20,319.12 : x
  2. Step 2: Convert to fraction form
    37,086.12/51,179.04 = 20,319.12/x
  3. Step 3: Cross multiply
    37,086.12x = 51,179.04 × 20,319.12
  4. Step 4: Simplify right side
    37,086.12x = 1,039,913,055.24
  5. Step 5: Solve for x
    x = 1,039,913,055.24/37,086.12
  6. Step 6: Final answer
    x = 28,040.49

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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.