Home / 46,910.57-70,365.38-20,275.38

Finding the Fourth Proportional to 46,910.57, 70,365.38 and 20,275.38

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Solution

The fourth proportional to 46,910.57, 70,365.38 and 20,275.38 is: 30,412.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,910.57 : 70,365.38 = 20,275.38 : x
  2. Step 2: Convert to fraction form
    46,910.57/70,365.38 = 20,275.38/x
  3. Step 3: Cross multiply
    46,910.57x = 70,365.38 × 20,275.38
  4. Step 4: Simplify right side
    46,910.57x = 1,426,684,716.97
  5. Step 5: Solve for x
    x = 1,426,684,716.97/46,910.57
  6. Step 6: Final answer
    x = 30,412.87

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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.