Home / 33,430.93-46,139.77-21,336.63

Finding the Fourth Proportional to 33,430.93, 46,139.77 and 21,336.63

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Solution

The fourth proportional to 33,430.93, 46,139.77 and 21,336.63 is: 29,447.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,430.93 : 46,139.77 = 21,336.63 : x
  2. Step 2: Convert to fraction form
    33,430.93/46,139.77 = 21,336.63/x
  3. Step 3: Cross multiply
    33,430.93x = 46,139.77 × 21,336.63
  4. Step 4: Simplify right side
    33,430.93x = 984,467,094.09
  5. Step 5: Solve for x
    x = 984,467,094.09/33,430.93
  6. Step 6: Final answer
    x = 29,447.79

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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.