Home / 45,968.33-68,951.12-12,690.42

Finding the Fourth Proportional to 45,968.33, 68,951.12 and 12,690.42

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Solution

The fourth proportional to 45,968.33, 68,951.12 and 12,690.42 is: 19,035.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,968.33 : 68,951.12 = 12,690.42 : x
  2. Step 2: Convert to fraction form
    45,968.33/68,951.12 = 12,690.42/x
  3. Step 3: Cross multiply
    45,968.33x = 68,951.12 × 12,690.42
  4. Step 4: Simplify right side
    45,968.33x = 875,018,608.82
  5. Step 5: Solve for x
    x = 875,018,608.82/45,968.33
  6. Step 6: Final answer
    x = 19,035.25

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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.