Home / 50,977.53-76,460.40-13,540.55

Finding the Fourth Proportional to 50,977.53, 76,460.40 and 13,540.55

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Solution

The fourth proportional to 50,977.53, 76,460.40 and 13,540.55 is: 20,309.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,977.53 : 76,460.40 = 13,540.55 : x
  2. Step 2: Convert to fraction form
    50,977.53/76,460.40 = 13,540.55/x
  3. Step 3: Cross multiply
    50,977.53x = 76,460.40 × 13,540.55
  4. Step 4: Simplify right side
    50,977.53x = 1,035,315,486.92
  5. Step 5: Solve for x
    x = 1,035,315,486.92/50,977.53
  6. Step 6: Final answer
    x = 20,309.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.