Home / 36,019.34-54,025.77-12,644.36

Finding the Fourth Proportional to 36,019.34, 54,025.77 and 12,644.36

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Solution

The fourth proportional to 36,019.34, 54,025.77 and 12,644.36 is: 18,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,019.34 : 54,025.77 = 12,644.36 : x
  2. Step 2: Convert to fraction form
    36,019.34/54,025.77 = 12,644.36/x
  3. Step 3: Cross multiply
    36,019.34x = 54,025.77 × 12,644.36
  4. Step 4: Simplify right side
    36,019.34x = 683,121,285.16
  5. Step 5: Solve for x
    x = 683,121,285.16/36,019.34
  6. Step 6: Final answer
    x = 18,965.40

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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.