Home / 45,374.44-68,084.78-20,409.52

Finding the Fourth Proportional to 45,374.44, 68,084.78 and 20,409.52

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Solution

The fourth proportional to 45,374.44, 68,084.78 and 20,409.52 is: 30,624.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,374.44 : 68,084.78 = 20,409.52 : x
  2. Step 2: Convert to fraction form
    45,374.44/68,084.78 = 20,409.52/x
  3. Step 3: Cross multiply
    45,374.44x = 68,084.78 × 20,409.52
  4. Step 4: Simplify right side
    45,374.44x = 1,389,577,679.11
  5. Step 5: Solve for x
    x = 1,389,577,679.11/45,374.44
  6. Step 6: Final answer
    x = 30,624.68

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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.