Home / 41,985.10-62,981.12-13,904.29

Finding the Fourth Proportional to 41,985.10, 62,981.12 and 13,904.29

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Solution

The fourth proportional to 41,985.10, 62,981.12 and 13,904.29 is: 20,857.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,985.10 : 62,981.12 = 13,904.29 : x
  2. Step 2: Convert to fraction form
    41,985.10/62,981.12 = 13,904.29/x
  3. Step 3: Cross multiply
    41,985.10x = 62,981.12 × 13,904.29
  4. Step 4: Simplify right side
    41,985.10x = 875,707,757.00
  5. Step 5: Solve for x
    x = 875,707,757.00/41,985.10
  6. Step 6: Final answer
    x = 20,857.58

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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.