Home / 35,835.94-49,455.28-19,920.66

Finding the Fourth Proportional to 35,835.94, 49,455.28 and 19,920.66

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Solution

The fourth proportional to 35,835.94, 49,455.28 and 19,920.66 is: 27,491.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,835.94 : 49,455.28 = 19,920.66 : x
  2. Step 2: Convert to fraction form
    35,835.94/49,455.28 = 19,920.66/x
  3. Step 3: Cross multiply
    35,835.94x = 49,455.28 × 19,920.66
  4. Step 4: Simplify right side
    35,835.94x = 985,181,657.53
  5. Step 5: Solve for x
    x = 985,181,657.53/35,835.94
  6. Step 6: Final answer
    x = 27,491.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.