Home / 31,599.84-43,612.66-19,507.38

Finding the Fourth Proportional to 31,599.84, 43,612.66 and 19,507.38

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Solution

The fourth proportional to 31,599.84, 43,612.66 and 19,507.38 is: 26,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,599.84 : 43,612.66 = 19,507.38 : x
  2. Step 2: Convert to fraction form
    31,599.84/43,612.66 = 19,507.38/x
  3. Step 3: Cross multiply
    31,599.84x = 43,612.66 × 19,507.38
  4. Step 4: Simplify right side
    31,599.84x = 850,768,731.43
  5. Step 5: Solve for x
    x = 850,768,731.43/31,599.84
  6. Step 6: Final answer
    x = 26,923.20

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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.