Home / 34,811.51-52,174.39-13,730.35

Finding the Fourth Proportional to 34,811.51, 52,174.39 and 13,730.35

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Solution

The fourth proportional to 34,811.51, 52,174.39 and 13,730.35 is: 20,578.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,811.51 : 52,174.39 = 13,730.35 : x
  2. Step 2: Convert to fraction form
    34,811.51/52,174.39 = 13,730.35/x
  3. Step 3: Cross multiply
    34,811.51x = 52,174.39 × 13,730.35
  4. Step 4: Simplify right side
    34,811.51x = 716,372,567.08
  5. Step 5: Solve for x
    x = 716,372,567.08/34,811.51
  6. Step 6: Final answer
    x = 20,578.61

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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.