Home / 35,107.87-52,656.61-12,916.06

Finding the Fourth Proportional to 35,107.87, 52,656.61 and 12,916.06

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Solution

The fourth proportional to 35,107.87, 52,656.61 and 12,916.06 is: 19,372.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,107.87 : 52,656.61 = 12,916.06 : x
  2. Step 2: Convert to fraction form
    35,107.87/52,656.61 = 12,916.06/x
  3. Step 3: Cross multiply
    35,107.87x = 52,656.61 × 12,916.06
  4. Step 4: Simplify right side
    35,107.87x = 680,115,934.16
  5. Step 5: Solve for x
    x = 680,115,934.16/35,107.87
  6. Step 6: Final answer
    x = 19,372.18

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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.