Home / 34,823.79-52,238.45-20,878.97

Finding the Fourth Proportional to 34,823.79, 52,238.45 and 20,878.97

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Solution

The fourth proportional to 34,823.79, 52,238.45 and 20,878.97 is: 31,320.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,823.79 : 52,238.45 = 20,878.97 : x
  2. Step 2: Convert to fraction form
    34,823.79/52,238.45 = 20,878.97/x
  3. Step 3: Cross multiply
    34,823.79x = 52,238.45 × 20,878.97
  4. Step 4: Simplify right side
    34,823.79x = 1,090,684,821.40
  5. Step 5: Solve for x
    x = 1,090,684,821.40/34,823.79
  6. Step 6: Final answer
    x = 31,320.11

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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.