Home / 47,190.84-70,753.46-20,881.23

Finding the Fourth Proportional to 47,190.84, 70,753.46 and 20,881.23

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Solution

The fourth proportional to 47,190.84, 70,753.46 and 20,881.23 is: 31,307.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,190.84 : 70,753.46 = 20,881.23 : x
  2. Step 2: Convert to fraction form
    47,190.84/70,753.46 = 20,881.23/x
  3. Step 3: Cross multiply
    47,190.84x = 70,753.46 × 20,881.23
  4. Step 4: Simplify right side
    47,190.84x = 1,477,419,167.15
  5. Step 5: Solve for x
    x = 1,477,419,167.15/47,190.84
  6. Step 6: Final answer
    x = 31,307.33

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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.