Home / 29,078.07-43,630.07-10,605.75

Finding the Fourth Proportional to 29,078.07, 43,630.07 and 10,605.75

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Solution

The fourth proportional to 29,078.07, 43,630.07 and 10,605.75 is: 15,913.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,078.07 : 43,630.07 = 10,605.75 : x
  2. Step 2: Convert to fraction form
    29,078.07/43,630.07 = 10,605.75/x
  3. Step 3: Cross multiply
    29,078.07x = 43,630.07 × 10,605.75
  4. Step 4: Simplify right side
    29,078.07x = 462,729,561.87
  5. Step 5: Solve for x
    x = 462,729,561.87/29,078.07
  6. Step 6: Final answer
    x = 15,913.35

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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.