Home / 37,415.20-51,639.56-22,308.79

Finding the Fourth Proportional to 37,415.20, 51,639.56 and 22,308.79

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Solution

The fourth proportional to 37,415.20, 51,639.56 and 22,308.79 is: 30,790.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,415.20 : 51,639.56 = 22,308.79 : x
  2. Step 2: Convert to fraction form
    37,415.20/51,639.56 = 22,308.79/x
  3. Step 3: Cross multiply
    37,415.20x = 51,639.56 × 22,308.79
  4. Step 4: Simplify right side
    37,415.20x = 1,152,015,942.75
  5. Step 5: Solve for x
    x = 1,152,015,942.75/37,415.20
  6. Step 6: Final answer
    x = 30,790.05

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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.