Home / 36,285.60-54,436.14-12,912.03

Finding the Fourth Proportional to 36,285.60, 54,436.14 and 12,912.03

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Solution

The fourth proportional to 36,285.60, 54,436.14 and 12,912.03 is: 19,370.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,285.60 : 54,436.14 = 12,912.03 : x
  2. Step 2: Convert to fraction form
    36,285.60/54,436.14 = 12,912.03/x
  3. Step 3: Cross multiply
    36,285.60x = 54,436.14 × 12,912.03
  4. Step 4: Simplify right side
    36,285.60x = 702,881,072.76
  5. Step 5: Solve for x
    x = 702,881,072.76/36,285.60
  6. Step 6: Final answer
    x = 19,370.80

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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.