Home / 40,024.50-55,234.91-22,120.67

Finding the Fourth Proportional to 40,024.50, 55,234.91 and 22,120.67

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Solution

The fourth proportional to 40,024.50, 55,234.91 and 22,120.67 is: 30,527.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,024.50 : 55,234.91 = 22,120.67 : x
  2. Step 2: Convert to fraction form
    40,024.50/55,234.91 = 22,120.67/x
  3. Step 3: Cross multiply
    40,024.50x = 55,234.91 × 22,120.67
  4. Step 4: Simplify right side
    40,024.50x = 1,221,832,995.72
  5. Step 5: Solve for x
    x = 1,221,832,995.72/40,024.50
  6. Step 6: Final answer
    x = 30,527.13

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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.