Home / 39,881.06-59,821.60-11,798.94

Finding the Fourth Proportional to 39,881.06, 59,821.60 and 11,798.94

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Solution

The fourth proportional to 39,881.06, 59,821.60 and 11,798.94 is: 17,698.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,881.06 : 59,821.60 = 11,798.94 : x
  2. Step 2: Convert to fraction form
    39,881.06/59,821.60 = 11,798.94/x
  3. Step 3: Cross multiply
    39,881.06x = 59,821.60 × 11,798.94
  4. Step 4: Simplify right side
    39,881.06x = 705,831,469.10
  5. Step 5: Solve for x
    x = 705,831,469.10/39,881.06
  6. Step 6: Final answer
    x = 17,698.41

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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.