Home / 34,772.13-52,145.10-12,580.02

Finding the Fourth Proportional to 34,772.13, 52,145.10 and 12,580.02

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Solution

The fourth proportional to 34,772.13, 52,145.10 and 12,580.02 is: 18,865.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,772.13 : 52,145.10 = 12,580.02 : x
  2. Step 2: Convert to fraction form
    34,772.13/52,145.10 = 12,580.02/x
  3. Step 3: Cross multiply
    34,772.13x = 52,145.10 × 12,580.02
  4. Step 4: Simplify right side
    34,772.13x = 655,986,400.90
  5. Step 5: Solve for x
    x = 655,986,400.90/34,772.13
  6. Step 6: Final answer
    x = 18,865.29

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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.