Home / 53,850.68-80,812.93-18,790.35

Finding the Fourth Proportional to 53,850.68, 80,812.93 and 18,790.35

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Solution

The fourth proportional to 53,850.68, 80,812.93 and 18,790.35 is: 28,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,850.68 : 80,812.93 = 18,790.35 : x
  2. Step 2: Convert to fraction form
    53,850.68/80,812.93 = 18,790.35/x
  3. Step 3: Cross multiply
    53,850.68x = 80,812.93 × 18,790.35
  4. Step 4: Simplify right side
    53,850.68x = 1,518,503,239.23
  5. Step 5: Solve for x
    x = 1,518,503,239.23/53,850.68
  6. Step 6: Final answer
    x = 28,198.40

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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.