Home / 36,222.40-54,330.18-12,847.60

Finding the Fourth Proportional to 36,222.40, 54,330.18 and 12,847.60

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Solution

The fourth proportional to 36,222.40, 54,330.18 and 12,847.60 is: 19,270.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,222.40 : 54,330.18 = 12,847.60 : x
  2. Step 2: Convert to fraction form
    36,222.40/54,330.18 = 12,847.60/x
  3. Step 3: Cross multiply
    36,222.40x = 54,330.18 × 12,847.60
  4. Step 4: Simplify right side
    36,222.40x = 698,012,420.57
  5. Step 5: Solve for x
    x = 698,012,420.57/36,222.40
  6. Step 6: Final answer
    x = 19,270.19

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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.