Home / 35,822.21-49,432.37-19,905.71

Finding the Fourth Proportional to 35,822.21, 49,432.37 and 19,905.71

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Solution

The fourth proportional to 35,822.21, 49,432.37 and 19,905.71 is: 27,468.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,822.21 : 49,432.37 = 19,905.71 : x
  2. Step 2: Convert to fraction form
    35,822.21/49,432.37 = 19,905.71/x
  3. Step 3: Cross multiply
    35,822.21x = 49,432.37 × 19,905.71
  4. Step 4: Simplify right side
    35,822.21x = 983,986,174.67
  5. Step 5: Solve for x
    x = 983,986,174.67/35,822.21
  6. Step 6: Final answer
    x = 27,468.61

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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.