Home / 45,215.91-62,450.64-36,172.67

Finding the Fourth Proportional to 45,215.91, 62,450.64 and 36,172.67

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Solution

The fourth proportional to 45,215.91, 62,450.64 and 36,172.67 is: 49,960.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,215.91 : 62,450.64 = 36,172.67 : x
  2. Step 2: Convert to fraction form
    45,215.91/62,450.64 = 36,172.67/x
  3. Step 3: Cross multiply
    45,215.91x = 62,450.64 × 36,172.67
  4. Step 4: Simplify right side
    45,215.91x = 2,259,006,079.76
  5. Step 5: Solve for x
    x = 2,259,006,079.76/45,215.91
  6. Step 6: Final answer
    x = 49,960.42

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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.