Home / 45,028.54-67,518.51-31,906.54

Finding the Fourth Proportional to 45,028.54, 67,518.51 and 31,906.54

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Solution

The fourth proportional to 45,028.54, 67,518.51 and 31,906.54 is: 47,842.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,028.54 : 67,518.51 = 31,906.54 : x
  2. Step 2: Convert to fraction form
    45,028.54/67,518.51 = 31,906.54/x
  3. Step 3: Cross multiply
    45,028.54x = 67,518.51 × 31,906.54
  4. Step 4: Simplify right side
    45,028.54x = 2,154,282,040.06
  5. Step 5: Solve for x
    x = 2,154,282,040.06/45,028.54
  6. Step 6: Final answer
    x = 47,842.59

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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.