Home / 29,388.98-40,551.09-18,770.42

Finding the Fourth Proportional to 29,388.98, 40,551.09 and 18,770.42

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Solution

The fourth proportional to 29,388.98, 40,551.09 and 18,770.42 is: 25,899.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,388.98 : 40,551.09 = 18,770.42 : x
  2. Step 2: Convert to fraction form
    29,388.98/40,551.09 = 18,770.42/x
  3. Step 3: Cross multiply
    29,388.98x = 40,551.09 × 18,770.42
  4. Step 4: Simplify right side
    29,388.98x = 761,160,990.76
  5. Step 5: Solve for x
    x = 761,160,990.76/29,388.98
  6. Step 6: Final answer
    x = 25,899.54

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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.