Home / 30,923.40-42,676.35-17,495.22

Finding the Fourth Proportional to 30,923.40, 42,676.35 and 17,495.22

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Solution

The fourth proportional to 30,923.40, 42,676.35 and 17,495.22 is: 24,144.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,923.40 : 42,676.35 = 17,495.22 : x
  2. Step 2: Convert to fraction form
    30,923.40/42,676.35 = 17,495.22/x
  3. Step 3: Cross multiply
    30,923.40x = 42,676.35 × 17,495.22
  4. Step 4: Simplify right side
    30,923.40x = 746,632,132.05
  5. Step 5: Solve for x
    x = 746,632,132.05/30,923.40
  6. Step 6: Final answer
    x = 24,144.57

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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.