Home / 36,108.36-54,149.27-12,409.18

Finding the Fourth Proportional to 36,108.36, 54,149.27 and 12,409.18

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Solution

The fourth proportional to 36,108.36, 54,149.27 and 12,409.18 is: 18,609.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,108.36 : 54,149.27 = 12,409.18 : x
  2. Step 2: Convert to fraction form
    36,108.36/54,149.27 = 12,409.18/x
  3. Step 3: Cross multiply
    36,108.36x = 54,149.27 × 12,409.18
  4. Step 4: Simplify right side
    36,108.36x = 671,948,038.30
  5. Step 5: Solve for x
    x = 671,948,038.30/36,108.36
  6. Step 6: Final answer
    x = 18,609.21

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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.