Home / 35,127.47-52,695.77-12,936.71

Finding the Fourth Proportional to 35,127.47, 52,695.77 and 12,936.71

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Solution

The fourth proportional to 35,127.47, 52,695.77 and 12,936.71 is: 19,406.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,127.47 : 52,695.77 = 12,936.71 : x
  2. Step 2: Convert to fraction form
    35,127.47/52,695.77 = 12,936.71/x
  3. Step 3: Cross multiply
    35,127.47x = 52,695.77 × 12,936.71
  4. Step 4: Simplify right side
    35,127.47x = 681,709,961.77
  5. Step 5: Solve for x
    x = 681,709,961.77/35,127.47
  6. Step 6: Final answer
    x = 19,406.75

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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.