Home / 45,756.06-68,522.31-28,201.74

Finding the Fourth Proportional to 45,756.06, 68,522.31 and 28,201.74

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Solution

The fourth proportional to 45,756.06, 68,522.31 and 28,201.74 is: 42,233.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,756.06 : 68,522.31 = 28,201.74 : x
  2. Step 2: Convert to fraction form
    45,756.06/68,522.31 = 28,201.74/x
  3. Step 3: Cross multiply
    45,756.06x = 68,522.31 × 28,201.74
  4. Step 4: Simplify right side
    45,756.06x = 1,932,448,370.82
  5. Step 5: Solve for x
    x = 1,932,448,370.82/45,756.06
  6. Step 6: Final answer
    x = 42,233.71

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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.