Home / 34,202.81-47,200.67-21,456.53

Finding the Fourth Proportional to 34,202.81, 47,200.67 and 21,456.53

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Solution

The fourth proportional to 34,202.81, 47,200.67 and 21,456.53 is: 29,610.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,202.81 : 47,200.67 = 21,456.53 : x
  2. Step 2: Convert to fraction form
    34,202.81/47,200.67 = 21,456.53/x
  3. Step 3: Cross multiply
    34,202.81x = 47,200.67 × 21,456.53
  4. Step 4: Simplify right side
    34,202.81x = 1,012,762,355.87
  5. Step 5: Solve for x
    x = 1,012,762,355.87/34,202.81
  6. Step 6: Final answer
    x = 29,610.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.