Home / 37,207.75-51,346.70-20,440.75

Finding the Fourth Proportional to 37,207.75, 51,346.70 and 20,440.75

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Solution

The fourth proportional to 37,207.75, 51,346.70 and 20,440.75 is: 28,208.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,207.75 : 51,346.70 = 20,440.75 : x
  2. Step 2: Convert to fraction form
    37,207.75/51,346.70 = 20,440.75/x
  3. Step 3: Cross multiply
    37,207.75x = 51,346.70 × 20,440.75
  4. Step 4: Simplify right side
    37,207.75x = 1,049,565,058.03
  5. Step 5: Solve for x
    x = 1,049,565,058.03/37,207.75
  6. Step 6: Final answer
    x = 28,208.24

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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.