Home / 29,361.73-40,518.98-15,932.64

Finding the Fourth Proportional to 29,361.73, 40,518.98 and 15,932.64

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Solution

The fourth proportional to 29,361.73, 40,518.98 and 15,932.64 is: 21,986.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,361.73 : 40,518.98 = 15,932.64 : x
  2. Step 2: Convert to fraction form
    29,361.73/40,518.98 = 15,932.64/x
  3. Step 3: Cross multiply
    29,361.73x = 40,518.98 × 15,932.64
  4. Step 4: Simplify right side
    29,361.73x = 645,574,039.25
  5. Step 5: Solve for x
    x = 645,574,039.25/29,361.73
  6. Step 6: Final answer
    x = 21,986.92

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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.