Home / 29,157.87-40,236.21-16,411.60

Finding the Fourth Proportional to 29,157.87, 40,236.21 and 16,411.60

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Solution

The fourth proportional to 29,157.87, 40,236.21 and 16,411.60 is: 22,647.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,157.87 : 40,236.21 = 16,411.60 : x
  2. Step 2: Convert to fraction form
    29,157.87/40,236.21 = 16,411.60/x
  3. Step 3: Cross multiply
    29,157.87x = 40,236.21 × 16,411.60
  4. Step 4: Simplify right side
    29,157.87x = 660,340,483.45
  5. Step 5: Solve for x
    x = 660,340,483.45/29,157.87
  6. Step 6: Final answer
    x = 22,647.08

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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.