Home / 33,866.19-46,735.70-20,434.86

Finding the Fourth Proportional to 33,866.19, 46,735.70 and 20,434.86

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Solution

The fourth proportional to 33,866.19, 46,735.70 and 20,434.86 is: 28,200.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,866.19 : 46,735.70 = 20,434.86 : x
  2. Step 2: Convert to fraction form
    33,866.19/46,735.70 = 20,434.86/x
  3. Step 3: Cross multiply
    33,866.19x = 46,735.70 × 20,434.86
  4. Step 4: Simplify right side
    33,866.19x = 955,037,384.33
  5. Step 5: Solve for x
    x = 955,037,384.33/33,866.19
  6. Step 6: Final answer
    x = 28,200.32

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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.