Home / 37,655.69-51,965.57-20,660.81

Finding the Fourth Proportional to 37,655.69, 51,965.57 and 20,660.81

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Solution

The fourth proportional to 37,655.69, 51,965.57 and 20,660.81 is: 28,512.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,655.69 : 51,965.57 = 20,660.81 : x
  2. Step 2: Convert to fraction form
    37,655.69/51,965.57 = 20,660.81/x
  3. Step 3: Cross multiply
    37,655.69x = 51,965.57 × 20,660.81
  4. Step 4: Simplify right side
    37,655.69x = 1,073,650,768.31
  5. Step 5: Solve for x
    x = 1,073,650,768.31/37,655.69
  6. Step 6: Final answer
    x = 28,512.31

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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.