Home / 47,301.81-70,872.43-28,542.43

Finding the Fourth Proportional to 47,301.81, 70,872.43 and 28,542.43

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Solution

The fourth proportional to 47,301.81, 70,872.43 and 28,542.43 is: 42,765.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,301.81 : 70,872.43 = 28,542.43 : x
  2. Step 2: Convert to fraction form
    47,301.81/70,872.43 = 28,542.43/x
  3. Step 3: Cross multiply
    47,301.81x = 70,872.43 × 28,542.43
  4. Step 4: Simplify right side
    47,301.81x = 2,022,871,229.49
  5. Step 5: Solve for x
    x = 2,022,871,229.49/47,301.81
  6. Step 6: Final answer
    x = 42,765.19

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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.