Home / 35,370.81-52,986.78-20,548.71

Finding the Fourth Proportional to 35,370.81, 52,986.78 and 20,548.71

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Solution

The fourth proportional to 35,370.81, 52,986.78 and 20,548.71 is: 30,782.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,370.81 : 52,986.78 = 20,548.71 : x
  2. Step 2: Convert to fraction form
    35,370.81/52,986.78 = 20,548.71/x
  3. Step 3: Cross multiply
    35,370.81x = 52,986.78 × 20,548.71
  4. Step 4: Simplify right side
    35,370.81x = 1,088,809,976.05
  5. Step 5: Solve for x
    x = 1,088,809,976.05/35,370.81
  6. Step 6: Final answer
    x = 30,782.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.