Home / 53,960.01-80,890.71-18,880.53

Finding the Fourth Proportional to 53,960.01, 80,890.71 and 18,880.53

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Solution

The fourth proportional to 53,960.01, 80,890.71 and 18,880.53 is: 28,303.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,960.01 : 80,890.71 = 18,880.53 : x
  2. Step 2: Convert to fraction form
    53,960.01/80,890.71 = 18,880.53/x
  3. Step 3: Cross multiply
    53,960.01x = 80,890.71 × 18,880.53
  4. Step 4: Simplify right side
    53,960.01x = 1,527,259,476.88
  5. Step 5: Solve for x
    x = 1,527,259,476.88/53,960.01
  6. Step 6: Final answer
    x = 28,303.54

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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.