Home / 45,431.42-68,158.47-15,849.50

Finding the Fourth Proportional to 45,431.42, 68,158.47 and 15,849.50

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Solution

The fourth proportional to 45,431.42, 68,158.47 and 15,849.50 is: 23,778.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,431.42 : 68,158.47 = 15,849.50 : x
  2. Step 2: Convert to fraction form
    45,431.42/68,158.47 = 15,849.50/x
  3. Step 3: Cross multiply
    45,431.42x = 68,158.47 × 15,849.50
  4. Step 4: Simplify right side
    45,431.42x = 1,080,277,670.27
  5. Step 5: Solve for x
    x = 1,080,277,670.27/45,431.42
  6. Step 6: Final answer
    x = 23,778.21

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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.