Home / 30,604.55-42,235.03-17,176.83

Finding the Fourth Proportional to 30,604.55, 42,235.03 and 17,176.83

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Solution

The fourth proportional to 30,604.55, 42,235.03 and 17,176.83 is: 23,704.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,604.55 : 42,235.03 = 17,176.83 : x
  2. Step 2: Convert to fraction form
    30,604.55/42,235.03 = 17,176.83/x
  3. Step 3: Cross multiply
    30,604.55x = 42,235.03 × 17,176.83
  4. Step 4: Simplify right side
    30,604.55x = 725,463,793.44
  5. Step 5: Solve for x
    x = 725,463,793.44/30,604.55
  6. Step 6: Final answer
    x = 23,704.45

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1.5x scale

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.