Home / 30,423.06-41,979.33-17,851.86

Finding the Fourth Proportional to 30,423.06, 41,979.33 and 17,851.86

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Solution

The fourth proportional to 30,423.06, 41,979.33 and 17,851.86 is: 24,632.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,423.06 : 41,979.33 = 17,851.86 : x
  2. Step 2: Convert to fraction form
    30,423.06/41,979.33 = 17,851.86/x
  3. Step 3: Cross multiply
    30,423.06x = 41,979.33 × 17,851.86
  4. Step 4: Simplify right side
    30,423.06x = 749,409,122.05
  5. Step 5: Solve for x
    x = 749,409,122.05/30,423.06
  6. Step 6: Final answer
    x = 24,632.93

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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.