Home / 37,615.45-51,908.96-20,620.63

Finding the Fourth Proportional to 37,615.45, 51,908.96 and 20,620.63

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Solution

The fourth proportional to 37,615.45, 51,908.96 and 20,620.63 is: 28,456.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,615.45 : 51,908.96 = 20,620.63 : x
  2. Step 2: Convert to fraction form
    37,615.45/51,908.96 = 20,620.63/x
  3. Step 3: Cross multiply
    37,615.45x = 51,908.96 × 20,620.63
  4. Step 4: Simplify right side
    37,615.45x = 1,070,395,095.20
  5. Step 5: Solve for x
    x = 1,070,395,095.20/37,615.45
  6. Step 6: Final answer
    x = 28,456.27

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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.