Home / 35,981.04-49,629.48-31,257.12

Finding the Fourth Proportional to 35,981.04, 49,629.48 and 31,257.12

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Solution

The fourth proportional to 35,981.04, 49,629.48 and 31,257.12 is: 43,113.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,981.04 : 49,629.48 = 31,257.12 : x
  2. Step 2: Convert to fraction form
    35,981.04/49,629.48 = 31,257.12/x
  3. Step 3: Cross multiply
    35,981.04x = 49,629.48 × 31,257.12
  4. Step 4: Simplify right side
    35,981.04x = 1,551,274,611.90
  5. Step 5: Solve for x
    x = 1,551,274,611.90/35,981.04
  6. Step 6: Final answer
    x = 43,113.67

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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.