Home / 34,907.25-52,381.38-12,720.14

Finding the Fourth Proportional to 34,907.25, 52,381.38 and 12,720.14

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Solution

The fourth proportional to 34,907.25, 52,381.38 and 12,720.14 is: 19,087.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,907.25 : 52,381.38 = 12,720.14 : x
  2. Step 2: Convert to fraction form
    34,907.25/52,381.38 = 12,720.14/x
  3. Step 3: Cross multiply
    34,907.25x = 52,381.38 × 12,720.14
  4. Step 4: Simplify right side
    34,907.25x = 666,298,469.22
  5. Step 5: Solve for x
    x = 666,298,469.22/34,907.25
  6. Step 6: Final answer
    x = 19,087.68

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1.5x scale

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.