Home / 30,626.71-45,957.86-11,919.67

Finding the Fourth Proportional to 30,626.71, 45,957.86 and 11,919.67

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Solution

The fourth proportional to 30,626.71, 45,957.86 and 11,919.67 is: 17,886.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,626.71 : 45,957.86 = 11,919.67 : x
  2. Step 2: Convert to fraction form
    30,626.71/45,957.86 = 11,919.67/x
  3. Step 3: Cross multiply
    30,626.71x = 45,957.86 × 11,919.67
  4. Step 4: Simplify right side
    30,626.71x = 547,802,525.11
  5. Step 5: Solve for x
    x = 547,802,525.11/30,626.71
  6. Step 6: Final answer
    x = 17,886.43

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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.