Home / 30,743.90-46,086.33-19,619.18

Finding the Fourth Proportional to 30,743.90, 46,086.33 and 19,619.18

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Solution

The fourth proportional to 30,743.90, 46,086.33 and 19,619.18 is: 29,409.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,743.90 : 46,086.33 = 19,619.18 : x
  2. Step 2: Convert to fraction form
    30,743.90/46,086.33 = 19,619.18/x
  3. Step 3: Cross multiply
    30,743.90x = 46,086.33 × 19,619.18
  4. Step 4: Simplify right side
    30,743.90x = 904,176,003.81
  5. Step 5: Solve for x
    x = 904,176,003.81/30,743.90
  6. Step 6: Final answer
    x = 29,409.93

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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.