Home / 37,351.50-51,548.31-20,587.74

Finding the Fourth Proportional to 37,351.50, 51,548.31 and 20,587.74

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Solution

The fourth proportional to 37,351.50, 51,548.31 and 20,587.74 is: 28,412.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,351.50 : 51,548.31 = 20,587.74 : x
  2. Step 2: Convert to fraction form
    37,351.50/51,548.31 = 20,587.74/x
  3. Step 3: Cross multiply
    37,351.50x = 51,548.31 × 20,587.74
  4. Step 4: Simplify right side
    37,351.50x = 1,061,263,203.72
  5. Step 5: Solve for x
    x = 1,061,263,203.72/37,351.50
  6. Step 6: Final answer
    x = 28,412.87

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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.