Home / 29,219.92-40,313.64-16,635.76

Finding the Fourth Proportional to 29,219.92, 40,313.64 and 16,635.76

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Solution

The fourth proportional to 29,219.92, 40,313.64 and 16,635.76 is: 22,951.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,219.92 : 40,313.64 = 16,635.76 : x
  2. Step 2: Convert to fraction form
    29,219.92/40,313.64 = 16,635.76/x
  3. Step 3: Cross multiply
    29,219.92x = 40,313.64 × 16,635.76
  4. Step 4: Simplify right side
    29,219.92x = 670,648,039.77
  5. Step 5: Solve for x
    x = 670,648,039.77/29,219.92
  6. Step 6: Final answer
    x = 22,951.74

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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.