Home / 45,415.68-68,132.64-15,825.57

Finding the Fourth Proportional to 45,415.68, 68,132.64 and 15,825.57

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Solution

The fourth proportional to 45,415.68, 68,132.64 and 15,825.57 is: 23,741.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,415.68 : 68,132.64 = 15,825.57 : x
  2. Step 2: Convert to fraction form
    45,415.68/68,132.64 = 15,825.57/x
  3. Step 3: Cross multiply
    45,415.68x = 68,132.64 × 15,825.57
  4. Step 4: Simplify right side
    45,415.68x = 1,078,237,863.60
  5. Step 5: Solve for x
    x = 1,078,237,863.60/45,415.68
  6. Step 6: Final answer
    x = 23,741.53

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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.