Home / 30,052.62-41,482.26-21,102.30

Finding the Fourth Proportional to 30,052.62, 41,482.26 and 21,102.30

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Solution

The fourth proportional to 30,052.62, 41,482.26 and 21,102.30 is: 29,127.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,052.62 : 41,482.26 = 21,102.30 : x
  2. Step 2: Convert to fraction form
    30,052.62/41,482.26 = 21,102.30/x
  3. Step 3: Cross multiply
    30,052.62x = 41,482.26 × 21,102.30
  4. Step 4: Simplify right side
    30,052.62x = 875,371,095.20
  5. Step 5: Solve for x
    x = 875,371,095.20/30,052.62
  6. Step 6: Final answer
    x = 29,127.95

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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.