Home / 37,161.56-51,281.16-21,247.76

Finding the Fourth Proportional to 37,161.56, 51,281.16 and 21,247.76

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Solution

The fourth proportional to 37,161.56, 51,281.16 and 21,247.76 is: 29,320.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,161.56 : 51,281.16 = 21,247.76 : x
  2. Step 2: Convert to fraction form
    37,161.56/51,281.16 = 21,247.76/x
  3. Step 3: Cross multiply
    37,161.56x = 51,281.16 × 21,247.76
  4. Step 4: Simplify right side
    37,161.56x = 1,089,609,780.20
  5. Step 5: Solve for x
    x = 1,089,609,780.20/37,161.56
  6. Step 6: Final answer
    x = 29,320.88

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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.