Home / 36,019.65-54,017.93-11,998.80

Finding the Fourth Proportional to 36,019.65, 54,017.93 and 11,998.80

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Solution

The fourth proportional to 36,019.65, 54,017.93 and 11,998.80 is: 17,994.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,019.65 : 54,017.93 = 11,998.80 : x
  2. Step 2: Convert to fraction form
    36,019.65/54,017.93 = 11,998.80/x
  3. Step 3: Cross multiply
    36,019.65x = 54,017.93 × 11,998.80
  4. Step 4: Simplify right side
    36,019.65x = 648,150,278.49
  5. Step 5: Solve for x
    x = 648,150,278.49/36,019.65
  6. Step 6: Final answer
    x = 17,994.35

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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.