Home / 45,165.05-67,696.83-21,453.19

Finding the Fourth Proportional to 45,165.05, 67,696.83 and 21,453.19

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Solution

The fourth proportional to 45,165.05, 67,696.83 and 21,453.19 is: 32,155.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,165.05 : 67,696.83 = 21,453.19 : x
  2. Step 2: Convert to fraction form
    45,165.05/67,696.83 = 21,453.19/x
  3. Step 3: Cross multiply
    45,165.05x = 67,696.83 × 21,453.19
  4. Step 4: Simplify right side
    45,165.05x = 1,452,312,956.39
  5. Step 5: Solve for x
    x = 1,452,312,956.39/45,165.05
  6. Step 6: Final answer
    x = 32,155.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.