Home / 31,453.36-43,405.74-17,307.08

Finding the Fourth Proportional to 31,453.36, 43,405.74 and 17,307.08

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Solution

The fourth proportional to 31,453.36, 43,405.74 and 17,307.08 is: 23,883.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,453.36 : 43,405.74 = 17,307.08 : x
  2. Step 2: Convert to fraction form
    31,453.36/43,405.74 = 17,307.08/x
  3. Step 3: Cross multiply
    31,453.36x = 43,405.74 × 17,307.08
  4. Step 4: Simplify right side
    31,453.36x = 751,226,614.64
  5. Step 5: Solve for x
    x = 751,226,614.64/31,453.36
  6. Step 6: Final answer
    x = 23,883.83

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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.