Home / 47,086.96-70,611.66-20,773

Finding the Fourth Proportional to 47,086.96, 70,611.66 and 20,773

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Solution

The fourth proportional to 47,086.96, 70,611.66 and 20,773 is: 31,151.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,086.96 : 70,611.66 = 20,773 : x
  2. Step 2: Convert to fraction form
    47,086.96/70,611.66 = 20,773/x
  3. Step 3: Cross multiply
    47,086.96x = 70,611.66 × 20,773
  4. Step 4: Simplify right side
    47,086.96x = 1,466,816,013.18
  5. Step 5: Solve for x
    x = 1,466,816,013.18/47,086.96
  6. Step 6: Final answer
    x = 31,151.21

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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.