Home / 45,586.40-68,389.20-19,277.60

Finding the Fourth Proportional to 45,586.40, 68,389.20 and 19,277.60

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Solution

The fourth proportional to 45,586.40, 68,389.20 and 19,277.60 is: 28,920.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,586.40 : 68,389.20 = 19,277.60 : x
  2. Step 2: Convert to fraction form
    45,586.40/68,389.20 = 19,277.60/x
  3. Step 3: Cross multiply
    45,586.40x = 68,389.20 × 19,277.60
  4. Step 4: Simplify right side
    45,586.40x = 1,318,379,641.92
  5. Step 5: Solve for x
    x = 1,318,379,641.92/45,586.40
  6. Step 6: Final answer
    x = 28,920.46

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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.