Home / 30,958.21-42,722.49-17,532.08

Finding the Fourth Proportional to 30,958.21, 42,722.49 and 17,532.08

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Solution

The fourth proportional to 30,958.21, 42,722.49 and 17,532.08 is: 24,194.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,958.21 : 42,722.49 = 17,532.08 : x
  2. Step 2: Convert to fraction form
    30,958.21/42,722.49 = 17,532.08/x
  3. Step 3: Cross multiply
    30,958.21x = 42,722.49 × 17,532.08
  4. Step 4: Simplify right side
    30,958.21x = 749,013,898.87
  5. Step 5: Solve for x
    x = 749,013,898.87/30,958.21
  6. Step 6: Final answer
    x = 24,194.36

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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.