Home / 30,821.03-42,533.37-17,392.44

Finding the Fourth Proportional to 30,821.03, 42,533.37 and 17,392.44

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Solution

The fourth proportional to 30,821.03, 42,533.37 and 17,392.44 is: 24,001.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,821.03 : 42,533.37 = 17,392.44 : x
  2. Step 2: Convert to fraction form
    30,821.03/42,533.37 = 17,392.44/x
  3. Step 3: Cross multiply
    30,821.03x = 42,533.37 × 17,392.44
  4. Step 4: Simplify right side
    30,821.03x = 739,759,085.72
  5. Step 5: Solve for x
    x = 739,759,085.72/30,821.03
  6. Step 6: Final answer
    x = 24,001.76

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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.