Home / 20,347.22-30,567.74-19,506.49

Finding the Fourth Proportional to 20,347.22, 30,567.74 and 19,506.49

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Solution

The fourth proportional to 20,347.22, 30,567.74 and 19,506.49 is: 29,304.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,347.22 : 30,567.74 = 19,506.49 : x
  2. Step 2: Convert to fraction form
    20,347.22/30,567.74 = 19,506.49/x
  3. Step 3: Cross multiply
    20,347.22x = 30,567.74 × 19,506.49
  4. Step 4: Simplify right side
    20,347.22x = 596,269,286.98
  5. Step 5: Solve for x
    x = 596,269,286.98/20,347.22
  6. Step 6: Final answer
    x = 29,304.70

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1.5x scale

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.