Home / 74,292.32-111,448.20-39,233.36

Finding the Fourth Proportional to 74,292.32, 111,448.20 and 39,233.36

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Solution

The fourth proportional to 74,292.32, 111,448.20 and 39,233.36 is: 58,855.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,292.32 : 111,448.20 = 39,233.36 : x
  2. Step 2: Convert to fraction form
    74,292.32/111,448.20 = 39,233.36/x
  3. Step 3: Cross multiply
    74,292.32x = 111,448.20 × 39,233.36
  4. Step 4: Simplify right side
    74,292.32x = 4,372,487,351.95
  5. Step 5: Solve for x
    x = 4,372,487,351.95/74,292.32
  6. Step 6: Final answer
    x = 58,855.17

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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.