Home / 36,638.42-54,920.70-14,443.20

Finding the Fourth Proportional to 36,638.42, 54,920.70 and 14,443.20

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Solution

The fourth proportional to 36,638.42, 54,920.70 and 14,443.20 is: 21,650.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,638.42 : 54,920.70 = 14,443.20 : x
  2. Step 2: Convert to fraction form
    36,638.42/54,920.70 = 14,443.20/x
  3. Step 3: Cross multiply
    36,638.42x = 54,920.70 × 14,443.20
  4. Step 4: Simplify right side
    36,638.42x = 793,230,654.24
  5. Step 5: Solve for x
    x = 793,230,654.24/36,638.42
  6. Step 6: Final answer
    x = 21,650.24

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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.