Home / 43,102.36-64,653.40-11,937.52

Finding the Fourth Proportional to 43,102.36, 64,653.40 and 11,937.52

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Solution

The fourth proportional to 43,102.36, 64,653.40 and 11,937.52 is: 17,906.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,102.36 : 64,653.40 = 11,937.52 : x
  2. Step 2: Convert to fraction form
    43,102.36/64,653.40 = 11,937.52/x
  3. Step 3: Cross multiply
    43,102.36x = 64,653.40 × 11,937.52
  4. Step 4: Simplify right side
    43,102.36x = 771,801,255.57
  5. Step 5: Solve for x
    x = 771,801,255.57/43,102.36
  6. Step 6: Final answer
    x = 17,906.24

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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.