Home / 34,409.39-51,619.22-12,220.91

Finding the Fourth Proportional to 34,409.39, 51,619.22 and 12,220.91

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Solution

The fourth proportional to 34,409.39, 51,619.22 and 12,220.91 is: 18,333.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,409.39 : 51,619.22 = 12,220.91 : x
  2. Step 2: Convert to fraction form
    34,409.39/51,619.22 = 12,220.91/x
  3. Step 3: Cross multiply
    34,409.39x = 51,619.22 × 12,220.91
  4. Step 4: Simplify right side
    34,409.39x = 630,833,522.69
  5. Step 5: Solve for x
    x = 630,833,522.69/34,409.39
  6. Step 6: Final answer
    x = 18,333.18

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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.