Home / 34,811.90-52,205.70-18,166.40

Finding the Fourth Proportional to 34,811.90, 52,205.70 and 18,166.40

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Solution

The fourth proportional to 34,811.90, 52,205.70 and 18,166.40 is: 27,243.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,811.90 : 52,205.70 = 18,166.40 : x
  2. Step 2: Convert to fraction form
    34,811.90/52,205.70 = 18,166.40/x
  3. Step 3: Cross multiply
    34,811.90x = 52,205.70 × 18,166.40
  4. Step 4: Simplify right side
    34,811.90x = 948,389,628.48
  5. Step 5: Solve for x
    x = 948,389,628.48/34,811.90
  6. Step 6: Final answer
    x = 27,243.26

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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.