Home / 30,270.58-41,756.13-18,167.83

Finding the Fourth Proportional to 30,270.58, 41,756.13 and 18,167.83

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Solution

The fourth proportional to 30,270.58, 41,756.13 and 18,167.83 is: 25,061.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,270.58 : 41,756.13 = 18,167.83 : x
  2. Step 2: Convert to fraction form
    30,270.58/41,756.13 = 18,167.83/x
  3. Step 3: Cross multiply
    30,270.58x = 41,756.13 × 18,167.83
  4. Step 4: Simplify right side
    30,270.58x = 758,618,271.30
  5. Step 5: Solve for x
    x = 758,618,271.30/30,270.58
  6. Step 6: Final answer
    x = 25,061.24

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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.