Home / 31,956.12-44,064.81-21,753.75

Finding the Fourth Proportional to 31,956.12, 44,064.81 and 21,753.75

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Solution

The fourth proportional to 31,956.12, 44,064.81 and 21,753.75 is: 29,996.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,956.12 : 44,064.81 = 21,753.75 : x
  2. Step 2: Convert to fraction form
    31,956.12/44,064.81 = 21,753.75/x
  3. Step 3: Cross multiply
    31,956.12x = 44,064.81 × 21,753.75
  4. Step 4: Simplify right side
    31,956.12x = 958,574,860.54
  5. Step 5: Solve for x
    x = 958,574,860.54/31,956.12
  6. Step 6: Final answer
    x = 29,996.60

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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.