Home / 53,823.84-80,683.04-20,065.17

Finding the Fourth Proportional to 53,823.84, 80,683.04 and 20,065.17

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Solution

The fourth proportional to 53,823.84, 80,683.04 and 20,065.17 is: 30,078.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,823.84 : 80,683.04 = 20,065.17 : x
  2. Step 2: Convert to fraction form
    53,823.84/80,683.04 = 20,065.17/x
  3. Step 3: Cross multiply
    53,823.84x = 80,683.04 × 20,065.17
  4. Step 4: Simplify right side
    53,823.84x = 1,618,918,699.73
  5. Step 5: Solve for x
    x = 1,618,918,699.73/53,823.84
  6. Step 6: Final answer
    x = 30,078.10

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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.