Home / 37,418.76-51,637.64-20,651.76

Finding the Fourth Proportional to 37,418.76, 51,637.64 and 20,651.76

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Solution

The fourth proportional to 37,418.76, 51,637.64 and 20,651.76 is: 28,499.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,418.76 : 51,637.64 = 20,651.76 : x
  2. Step 2: Convert to fraction form
    37,418.76/51,637.64 = 20,651.76/x
  3. Step 3: Cross multiply
    37,418.76x = 51,637.64 × 20,651.76
  4. Step 4: Simplify right side
    37,418.76x = 1,066,408,044.99
  5. Step 5: Solve for x
    x = 1,066,408,044.99/37,418.76
  6. Step 6: Final answer
    x = 28,499.29

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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.