Home / 47,132.16-70,695.36-19,429.44

Finding the Fourth Proportional to 47,132.16, 70,695.36 and 19,429.44

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Solution

The fourth proportional to 47,132.16, 70,695.36 and 19,429.44 is: 29,142.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,132.16 : 70,695.36 = 19,429.44 : x
  2. Step 2: Convert to fraction form
    47,132.16/70,695.36 = 19,429.44/x
  3. Step 3: Cross multiply
    47,132.16x = 70,695.36 × 19,429.44
  4. Step 4: Simplify right side
    47,132.16x = 1,373,571,255.40
  5. Step 5: Solve for x
    x = 1,373,571,255.40/47,132.16
  6. Step 6: Final answer
    x = 29,142.97

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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.