Home / 40,989.41-61,492.76-13,285.25

Finding the Fourth Proportional to 40,989.41, 61,492.76 and 13,285.25

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Solution

The fourth proportional to 40,989.41, 61,492.76 and 13,285.25 is: 19,930.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,989.41 : 61,492.76 = 13,285.25 : x
  2. Step 2: Convert to fraction form
    40,989.41/61,492.76 = 13,285.25/x
  3. Step 3: Cross multiply
    40,989.41x = 61,492.76 × 13,285.25
  4. Step 4: Simplify right side
    40,989.41x = 816,946,623.36
  5. Step 5: Solve for x
    x = 816,946,623.36/40,989.41
  6. Step 6: Final answer
    x = 19,930.68

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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.