Home / 33,639.68-46,426.38-18,533.86

Finding the Fourth Proportional to 33,639.68, 46,426.38 and 18,533.86

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Solution

The fourth proportional to 33,639.68, 46,426.38 and 18,533.86 is: 25,578.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,639.68 : 46,426.38 = 18,533.86 : x
  2. Step 2: Convert to fraction form
    33,639.68/46,426.38 = 18,533.86/x
  3. Step 3: Cross multiply
    33,639.68x = 46,426.38 × 18,533.86
  4. Step 4: Simplify right side
    33,639.68x = 860,460,027.23
  5. Step 5: Solve for x
    x = 860,460,027.23/33,639.68
  6. Step 6: Final answer
    x = 25,578.72

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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.