Home / 36,169.04-54,188.76-12,780.56

Finding the Fourth Proportional to 36,169.04, 54,188.76 and 12,780.56

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Solution

The fourth proportional to 36,169.04, 54,188.76 and 12,780.56 is: 19,147.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,169.04 : 54,188.76 = 12,780.56 : x
  2. Step 2: Convert to fraction form
    36,169.04/54,188.76 = 12,780.56/x
  3. Step 3: Cross multiply
    36,169.04x = 54,188.76 × 12,780.56
  4. Step 4: Simplify right side
    36,169.04x = 692,562,698.51
  5. Step 5: Solve for x
    x = 692,562,698.51/36,169.04
  6. Step 6: Final answer
    x = 19,147.94

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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.