Home / 33,875.31-46,770.75-21,147.87

Finding the Fourth Proportional to 33,875.31, 46,770.75 and 21,147.87

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Solution

The fourth proportional to 33,875.31, 46,770.75 and 21,147.87 is: 29,198.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,875.31 : 46,770.75 = 21,147.87 : x
  2. Step 2: Convert to fraction form
    33,875.31/46,770.75 = 21,147.87/x
  3. Step 3: Cross multiply
    33,875.31x = 46,770.75 × 21,147.87
  4. Step 4: Simplify right side
    33,875.31x = 989,101,740.80
  5. Step 5: Solve for x
    x = 989,101,740.80/33,875.31
  6. Step 6: Final answer
    x = 29,198.31

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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.