Home / 20,264.85-30,350.25-19,564.02

Finding the Fourth Proportional to 20,264.85, 30,350.25 and 19,564.02

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Solution

The fourth proportional to 20,264.85, 30,350.25 and 19,564.02 is: 29,300.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,264.85 : 30,350.25 = 19,564.02 : x
  2. Step 2: Convert to fraction form
    20,264.85/30,350.25 = 19,564.02/x
  3. Step 3: Cross multiply
    20,264.85x = 30,350.25 × 19,564.02
  4. Step 4: Simplify right side
    20,264.85x = 593,772,898.01
  5. Step 5: Solve for x
    x = 593,772,898.01/20,264.85
  6. Step 6: Final answer
    x = 29,300.63

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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.