Home / 20,269.35-30,357-19,568.52

Finding the Fourth Proportional to 20,269.35, 30,357 and 19,568.52

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Solution

The fourth proportional to 20,269.35, 30,357 and 19,568.52 is: 29,307.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,269.35 : 30,357 = 19,568.52 : x
  2. Step 2: Convert to fraction form
    20,269.35/30,357 = 19,568.52/x
  3. Step 3: Cross multiply
    20,269.35x = 30,357 × 19,568.52
  4. Step 4: Simplify right side
    20,269.35x = 594,041,561.64
  5. Step 5: Solve for x
    x = 594,041,561.64/20,269.35
  6. Step 6: Final answer
    x = 29,307.38

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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.