Home / 30,120.48-41,563.68-17,369.28

Finding the Fourth Proportional to 30,120.48, 41,563.68 and 17,369.28

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Solution

The fourth proportional to 30,120.48, 41,563.68 and 17,369.28 is: 23,968.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,120.48 : 41,563.68 = 17,369.28 : x
  2. Step 2: Convert to fraction form
    30,120.48/41,563.68 = 17,369.28/x
  3. Step 3: Cross multiply
    30,120.48x = 41,563.68 × 17,369.28
  4. Step 4: Simplify right side
    30,120.48x = 721,931,195.75
  5. Step 5: Solve for x
    x = 721,931,195.75/30,120.48
  6. Step 6: Final answer
    x = 23,968.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.