Home / 47,142.52-70,703.82-13,853.53

Finding the Fourth Proportional to 47,142.52, 70,703.82 and 13,853.53

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Solution

The fourth proportional to 47,142.52, 70,703.82 and 13,853.53 is: 20,777.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,142.52 : 70,703.82 = 13,853.53 : x
  2. Step 2: Convert to fraction form
    47,142.52/70,703.82 = 13,853.53/x
  3. Step 3: Cross multiply
    47,142.52x = 70,703.82 × 13,853.53
  4. Step 4: Simplify right side
    47,142.52x = 979,497,491.48
  5. Step 5: Solve for x
    x = 979,497,491.48/47,142.52
  6. Step 6: Final answer
    x = 20,777.37

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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.