Home / 33,782.09-46,619.25-20,353.91

Finding the Fourth Proportional to 33,782.09, 46,619.25 and 20,353.91

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Solution

The fourth proportional to 33,782.09, 46,619.25 and 20,353.91 is: 28,088.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,782.09 : 46,619.25 = 20,353.91 : x
  2. Step 2: Convert to fraction form
    33,782.09/46,619.25 = 20,353.91/x
  3. Step 3: Cross multiply
    33,782.09x = 46,619.25 × 20,353.91
  4. Step 4: Simplify right side
    33,782.09x = 948,883,785.67
  5. Step 5: Solve for x
    x = 948,883,785.67/33,782.09
  6. Step 6: Final answer
    x = 28,088.37

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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.