Home / 29,427.87-40,616.80-18,106.99

Finding the Fourth Proportional to 29,427.87, 40,616.80 and 18,106.99

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Solution

The fourth proportional to 29,427.87, 40,616.80 and 18,106.99 is: 24,991.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,427.87 : 40,616.80 = 18,106.99 : x
  2. Step 2: Convert to fraction form
    29,427.87/40,616.80 = 18,106.99/x
  3. Step 3: Cross multiply
    29,427.87x = 40,616.80 × 18,106.99
  4. Step 4: Simplify right side
    29,427.87x = 735,447,900.90
  5. Step 5: Solve for x
    x = 735,447,900.90/29,427.87
  6. Step 6: Final answer
    x = 24,991.54

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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.