Home / 40,868.48-61,289.76-13,160

Finding the Fourth Proportional to 40,868.48, 61,289.76 and 13,160

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Solution

The fourth proportional to 40,868.48, 61,289.76 and 13,160 is: 19,735.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,868.48 : 61,289.76 = 13,160 : x
  2. Step 2: Convert to fraction form
    40,868.48/61,289.76 = 13,160/x
  3. Step 3: Cross multiply
    40,868.48x = 61,289.76 × 13,160
  4. Step 4: Simplify right side
    40,868.48x = 806,573,241.60
  5. Step 5: Solve for x
    x = 806,573,241.60/40,868.48
  6. Step 6: Final answer
    x = 19,735.83

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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.