Home / 34,880.40-48,134.39-18,965.25

Finding the Fourth Proportional to 34,880.40, 48,134.39 and 18,965.25

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Solution

The fourth proportional to 34,880.40, 48,134.39 and 18,965.25 is: 26,171.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,880.40 : 48,134.39 = 18,965.25 : x
  2. Step 2: Convert to fraction form
    34,880.40/48,134.39 = 18,965.25/x
  3. Step 3: Cross multiply
    34,880.40x = 48,134.39 × 18,965.25
  4. Step 4: Simplify right side
    34,880.40x = 912,880,645.12
  5. Step 5: Solve for x
    x = 912,880,645.12/34,880.40
  6. Step 6: Final answer
    x = 26,171.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.