Home / 36,017.60-54,034.38-13,830.98

Finding the Fourth Proportional to 36,017.60, 54,034.38 and 13,830.98

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Solution

The fourth proportional to 36,017.60, 54,034.38 and 13,830.98 is: 20,749.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,017.60 : 54,034.38 = 13,830.98 : x
  2. Step 2: Convert to fraction form
    36,017.60/54,034.38 = 13,830.98/x
  3. Step 3: Cross multiply
    36,017.60x = 54,034.38 × 13,830.98
  4. Step 4: Simplify right side
    36,017.60x = 747,348,158.92
  5. Step 5: Solve for x
    x = 747,348,158.92/36,017.60
  6. Step 6: Final answer
    x = 20,749.53

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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.