Home / 55,411.25-83,129.99-17,971.34

Finding the Fourth Proportional to 55,411.25, 83,129.99 and 17,971.34

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Solution

The fourth proportional to 55,411.25, 83,129.99 and 17,971.34 is: 26,961.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,411.25 : 83,129.99 = 17,971.34 : x
  2. Step 2: Convert to fraction form
    55,411.25/83,129.99 = 17,971.34/x
  3. Step 3: Cross multiply
    55,411.25x = 83,129.99 × 17,971.34
  4. Step 4: Simplify right side
    55,411.25x = 1,493,956,808.98
  5. Step 5: Solve for x
    x = 1,493,956,808.98/55,411.25
  6. Step 6: Final answer
    x = 26,961.26

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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.