Home / 34,991.09-52,486.63-12,806.71

Finding the Fourth Proportional to 34,991.09, 52,486.63 and 12,806.71

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Solution

The fourth proportional to 34,991.09, 52,486.63 and 12,806.71 is: 19,210.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,991.09 : 52,486.63 = 12,806.71 : x
  2. Step 2: Convert to fraction form
    34,991.09/52,486.63 = 12,806.71/x
  3. Step 3: Cross multiply
    34,991.09x = 52,486.63 × 12,806.71
  4. Step 4: Simplify right side
    34,991.09x = 672,180,958.09
  5. Step 5: Solve for x
    x = 672,180,958.09/34,991.09
  6. Step 6: Final answer
    x = 19,210.06

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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.