Home / 30,710.84-46,010.37-21,331.04

Finding the Fourth Proportional to 30,710.84, 46,010.37 and 21,331.04

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Solution

The fourth proportional to 30,710.84, 46,010.37 and 21,331.04 is: 31,957.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,710.84 : 46,010.37 = 21,331.04 : x
  2. Step 2: Convert to fraction form
    30,710.84/46,010.37 = 21,331.04/x
  3. Step 3: Cross multiply
    30,710.84x = 46,010.37 × 21,331.04
  4. Step 4: Simplify right side
    30,710.84x = 981,449,042.88
  5. Step 5: Solve for x
    x = 981,449,042.88/30,710.84
  6. Step 6: Final answer
    x = 31,957.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.