Home / 30,233.55-41,719.28-17,485.77

Finding the Fourth Proportional to 30,233.55, 41,719.28 and 17,485.77

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Solution

The fourth proportional to 30,233.55, 41,719.28 and 17,485.77 is: 24,128.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,233.55 : 41,719.28 = 17,485.77 : x
  2. Step 2: Convert to fraction form
    30,233.55/41,719.28 = 17,485.77/x
  3. Step 3: Cross multiply
    30,233.55x = 41,719.28 × 17,485.77
  4. Step 4: Simplify right side
    30,233.55x = 729,493,647.22
  5. Step 5: Solve for x
    x = 729,493,647.22/30,233.55
  6. Step 6: Final answer
    x = 24,128.61

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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.