Home / 34,022.80-51,026.40-12,965.22

Finding the Fourth Proportional to 34,022.80, 51,026.40 and 12,965.22

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Solution

The fourth proportional to 34,022.80, 51,026.40 and 12,965.22 is: 19,444.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,022.80 : 51,026.40 = 12,965.22 : x
  2. Step 2: Convert to fraction form
    34,022.80/51,026.40 = 12,965.22/x
  3. Step 3: Cross multiply
    34,022.80x = 51,026.40 × 12,965.22
  4. Step 4: Simplify right side
    34,022.80x = 661,568,501.81
  5. Step 5: Solve for x
    x = 661,568,501.81/34,022.80
  6. Step 6: Final answer
    x = 19,444.86

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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.