Home / 32,635.60-45,039.72-18,491.92

Finding the Fourth Proportional to 32,635.60, 45,039.72 and 18,491.92

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Solution

The fourth proportional to 32,635.60, 45,039.72 and 18,491.92 is: 25,520.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,635.60 : 45,039.72 = 18,491.92 : x
  2. Step 2: Convert to fraction form
    32,635.60/45,039.72 = 18,491.92/x
  3. Step 3: Cross multiply
    32,635.60x = 45,039.72 × 18,491.92
  4. Step 4: Simplify right side
    32,635.60x = 832,870,899.06
  5. Step 5: Solve for x
    x = 832,870,899.06/32,635.60
  6. Step 6: Final answer
    x = 25,520.32

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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.