Home / 37,749.60-52,089.60-21,832.80

Finding the Fourth Proportional to 37,749.60, 52,089.60 and 21,832.80

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Solution

The fourth proportional to 37,749.60, 52,089.60 and 21,832.80 is: 30,126.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,749.60 : 52,089.60 = 21,832.80 : x
  2. Step 2: Convert to fraction form
    37,749.60/52,089.60 = 21,832.80/x
  3. Step 3: Cross multiply
    37,749.60x = 52,089.60 × 21,832.80
  4. Step 4: Simplify right side
    37,749.60x = 1,137,261,818.88
  5. Step 5: Solve for x
    x = 1,137,261,818.88/37,749.60
  6. Step 6: Final answer
    x = 30,126.46

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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.