Home / 40,810.60-61,224.54-13,105

Finding the Fourth Proportional to 40,810.60, 61,224.54 and 13,105

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Solution

The fourth proportional to 40,810.60, 61,224.54 and 13,105 is: 19,660.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,810.60 : 61,224.54 = 13,105 : x
  2. Step 2: Convert to fraction form
    40,810.60/61,224.54 = 13,105/x
  3. Step 3: Cross multiply
    40,810.60x = 61,224.54 × 13,105
  4. Step 4: Simplify right side
    40,810.60x = 802,347,596.70
  5. Step 5: Solve for x
    x = 802,347,596.70/40,810.60
  6. Step 6: Final answer
    x = 19,660.27

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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.