Home / 47,110.10-70,643.55-20,801.30

Finding the Fourth Proportional to 47,110.10, 70,643.55 and 20,801.30

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Solution

The fourth proportional to 47,110.10, 70,643.55 and 20,801.30 is: 31,192.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,110.10 : 70,643.55 = 20,801.30 : x
  2. Step 2: Convert to fraction form
    47,110.10/70,643.55 = 20,801.30/x
  3. Step 3: Cross multiply
    47,110.10x = 70,643.55 × 20,801.30
  4. Step 4: Simplify right side
    47,110.10x = 1,469,477,676.62
  5. Step 5: Solve for x
    x = 1,469,477,676.62/47,110.10
  6. Step 6: Final answer
    x = 31,192.41

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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.