Home / 37,777.84-52,134.33-20,782.78

Finding the Fourth Proportional to 37,777.84, 52,134.33 and 20,782.78

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Solution

The fourth proportional to 37,777.84, 52,134.33 and 20,782.78 is: 28,680.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,777.84 : 52,134.33 = 20,782.78 : x
  2. Step 2: Convert to fraction form
    37,777.84/52,134.33 = 20,782.78/x
  3. Step 3: Cross multiply
    37,777.84x = 52,134.33 × 20,782.78
  4. Step 4: Simplify right side
    37,777.84x = 1,083,496,310.84
  5. Step 5: Solve for x
    x = 1,083,496,310.84/37,777.84
  6. Step 6: Final answer
    x = 28,680.74

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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.