Home / 31,137.42-46,872.30-27,922.50

Finding the Fourth Proportional to 31,137.42, 46,872.30 and 27,922.50

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Solution

The fourth proportional to 31,137.42, 46,872.30 and 27,922.50 is: 42,032.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,137.42 : 46,872.30 = 27,922.50 : x
  2. Step 2: Convert to fraction form
    31,137.42/46,872.30 = 27,922.50/x
  3. Step 3: Cross multiply
    31,137.42x = 46,872.30 × 27,922.50
  4. Step 4: Simplify right side
    31,137.42x = 1,308,791,796.75
  5. Step 5: Solve for x
    x = 1,308,791,796.75/31,137.42
  6. Step 6: Final answer
    x = 42,032.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.