Home / 31,225.39-43,050.36-22,728.90

Finding the Fourth Proportional to 31,225.39, 43,050.36 and 22,728.90

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Solution

The fourth proportional to 31,225.39, 43,050.36 and 22,728.90 is: 31,336.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,225.39 : 43,050.36 = 22,728.90 : x
  2. Step 2: Convert to fraction form
    31,225.39/43,050.36 = 22,728.90/x
  3. Step 3: Cross multiply
    31,225.39x = 43,050.36 × 22,728.90
  4. Step 4: Simplify right side
    31,225.39x = 978,487,327.40
  5. Step 5: Solve for x
    x = 978,487,327.40/31,225.39
  6. Step 6: Final answer
    x = 31,336.27

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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.