Home / 31,396.06-43,314.03-17,964.70

Finding the Fourth Proportional to 31,396.06, 43,314.03 and 17,964.70

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Solution

The fourth proportional to 31,396.06, 43,314.03 and 17,964.70 is: 24,784.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,396.06 : 43,314.03 = 17,964.70 : x
  2. Step 2: Convert to fraction form
    31,396.06/43,314.03 = 17,964.70/x
  3. Step 3: Cross multiply
    31,396.06x = 43,314.03 × 17,964.70
  4. Step 4: Simplify right side
    31,396.06x = 778,123,554.74
  5. Step 5: Solve for x
    x = 778,123,554.74/31,396.06
  6. Step 6: Final answer
    x = 24,784.11

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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.