Home / 36,455.06-54,698.61-12,779.66

Finding the Fourth Proportional to 36,455.06, 54,698.61 and 12,779.66

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Solution

The fourth proportional to 36,455.06, 54,698.61 and 12,779.66 is: 19,175.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,455.06 : 54,698.61 = 12,779.66 : x
  2. Step 2: Convert to fraction form
    36,455.06/54,698.61 = 12,779.66/x
  3. Step 3: Cross multiply
    36,455.06x = 54,698.61 × 12,779.66
  4. Step 4: Simplify right side
    36,455.06x = 699,029,638.27
  5. Step 5: Solve for x
    x = 699,029,638.27/36,455.06
  6. Step 6: Final answer
    x = 19,175.11

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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.