Home / 34,763.75-52,147.25-10,139.75

Finding the Fourth Proportional to 34,763.75, 52,147.25 and 10,139.75

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Solution

The fourth proportional to 34,763.75, 52,147.25 and 10,139.75 is: 15,210.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,763.75 : 52,147.25 = 10,139.75 : x
  2. Step 2: Convert to fraction form
    34,763.75/52,147.25 = 10,139.75/x
  3. Step 3: Cross multiply
    34,763.75x = 52,147.25 × 10,139.75
  4. Step 4: Simplify right side
    34,763.75x = 528,760,027.49
  5. Step 5: Solve for x
    x = 528,760,027.49/34,763.75
  6. Step 6: Final answer
    x = 15,210.10

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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.