Home / 36,083.68-54,111.67-12,386.81

Finding the Fourth Proportional to 36,083.68, 54,111.67 and 12,386.81

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Solution

The fourth proportional to 36,083.68, 54,111.67 and 12,386.81 is: 18,575.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,083.68 : 54,111.67 = 12,386.81 : x
  2. Step 2: Convert to fraction form
    36,083.68/54,111.67 = 12,386.81/x
  3. Step 3: Cross multiply
    36,083.68x = 54,111.67 × 12,386.81
  4. Step 4: Simplify right side
    36,083.68x = 670,270,975.07
  5. Step 5: Solve for x
    x = 670,270,975.07/36,083.68
  6. Step 6: Final answer
    x = 18,575.46

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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.