Home / 39,440.36-54,485.28-34,125.95

Finding the Fourth Proportional to 39,440.36, 54,485.28 and 34,125.95

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Solution

The fourth proportional to 39,440.36, 54,485.28 and 34,125.95 is: 47,143.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,440.36 : 54,485.28 = 34,125.95 : x
  2. Step 2: Convert to fraction form
    39,440.36/54,485.28 = 34,125.95/x
  3. Step 3: Cross multiply
    39,440.36x = 54,485.28 × 34,125.95
  4. Step 4: Simplify right side
    39,440.36x = 1,859,361,770.39
  5. Step 5: Solve for x
    x = 1,859,361,770.39/39,440.36
  6. Step 6: Final answer
    x = 47,143.63

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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.