Home / 53,855.55-80,783.91-18,795.33

Finding the Fourth Proportional to 53,855.55, 80,783.91 and 18,795.33

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Solution

The fourth proportional to 53,855.55, 80,783.91 and 18,795.33 is: 28,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,855.55 : 80,783.91 = 18,795.33 : x
  2. Step 2: Convert to fraction form
    53,855.55/80,783.91 = 18,795.33/x
  3. Step 3: Cross multiply
    53,855.55x = 80,783.91 × 18,795.33
  4. Step 4: Simplify right side
    53,855.55x = 1,518,360,247.14
  5. Step 5: Solve for x
    x = 1,518,360,247.14/53,855.55
  6. Step 6: Final answer
    x = 28,193.20

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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.