Home / 35,159.08-52,745.68-12,972.58

Finding the Fourth Proportional to 35,159.08, 52,745.68 and 12,972.58

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Solution

The fourth proportional to 35,159.08, 52,745.68 and 12,972.58 is: 19,461.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,159.08 : 52,745.68 = 12,972.58 : x
  2. Step 2: Convert to fraction form
    35,159.08/52,745.68 = 12,972.58/x
  3. Step 3: Cross multiply
    35,159.08x = 52,745.68 × 12,972.58
  4. Step 4: Simplify right side
    35,159.08x = 684,247,553.45
  5. Step 5: Solve for x
    x = 684,247,553.45/35,159.08
  6. Step 6: Final answer
    x = 19,461.47

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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.