Home / 37,418.63-51,637.77-20,651.63

Finding the Fourth Proportional to 37,418.63, 51,637.77 and 20,651.63

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Solution

The fourth proportional to 37,418.63, 51,637.77 and 20,651.63 is: 28,499.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,418.63 : 51,637.77 = 20,651.63 : x
  2. Step 2: Convert to fraction form
    37,418.63/51,637.77 = 20,651.63/x
  3. Step 3: Cross multiply
    37,418.63x = 51,637.77 × 20,651.63
  4. Step 4: Simplify right side
    37,418.63x = 1,066,403,861.88
  5. Step 5: Solve for x
    x = 1,066,403,861.88/37,418.63
  6. Step 6: Final answer
    x = 28,499.28

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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.