Home / 31,392.96-43,317.60-17,246.40

Finding the Fourth Proportional to 31,392.96, 43,317.60 and 17,246.40

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Solution

The fourth proportional to 31,392.96, 43,317.60 and 17,246.40 is: 23,797.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,392.96 : 43,317.60 = 17,246.40 : x
  2. Step 2: Convert to fraction form
    31,392.96/43,317.60 = 17,246.40/x
  3. Step 3: Cross multiply
    31,392.96x = 43,317.60 × 17,246.40
  4. Step 4: Simplify right side
    31,392.96x = 747,072,656.64
  5. Step 5: Solve for x
    x = 747,072,656.64/31,392.96
  6. Step 6: Final answer
    x = 23,797.46

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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.