Home / 53,173.68-79,768.08-18,119.04

Finding the Fourth Proportional to 53,173.68, 79,768.08 and 18,119.04

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Solution

The fourth proportional to 53,173.68, 79,768.08 and 18,119.04 is: 27,181.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,173.68 : 79,768.08 = 18,119.04 : x
  2. Step 2: Convert to fraction form
    53,173.68/79,768.08 = 18,119.04/x
  3. Step 3: Cross multiply
    53,173.68x = 79,768.08 × 18,119.04
  4. Step 4: Simplify right side
    53,173.68x = 1,445,321,032.24
  5. Step 5: Solve for x
    x = 1,445,321,032.24/53,173.68
  6. Step 6: Final answer
    x = 27,181.14

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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.