Home / 30,525.03-45,778.20-18,041.61

Finding the Fourth Proportional to 30,525.03, 45,778.20 and 18,041.61

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Solution

The fourth proportional to 30,525.03, 45,778.20 and 18,041.61 is: 27,056.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,525.03 : 45,778.20 = 18,041.61 : x
  2. Step 2: Convert to fraction form
    30,525.03/45,778.20 = 18,041.61/x
  3. Step 3: Cross multiply
    30,525.03x = 45,778.20 × 18,041.61
  4. Step 4: Simplify right side
    30,525.03x = 825,912,430.90
  5. Step 5: Solve for x
    x = 825,912,430.90/30,525.03
  6. Step 6: Final answer
    x = 27,056.89

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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.