Home / 39,961.08-59,941.60-11,881.01

Finding the Fourth Proportional to 39,961.08, 59,941.60 and 11,881.01

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Solution

The fourth proportional to 39,961.08, 59,941.60 and 11,881.01 is: 17,821.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,961.08 : 59,941.60 = 11,881.01 : x
  2. Step 2: Convert to fraction form
    39,961.08/59,941.60 = 11,881.01/x
  3. Step 3: Cross multiply
    39,961.08x = 59,941.60 × 11,881.01
  4. Step 4: Simplify right side
    39,961.08x = 712,166,749.02
  5. Step 5: Solve for x
    x = 712,166,749.02/39,961.08
  6. Step 6: Final answer
    x = 17,821.51

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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.