Home / 30,370.36-41,911.16-16,941.28

Finding the Fourth Proportional to 30,370.36, 41,911.16 and 16,941.28

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Solution

The fourth proportional to 30,370.36, 41,911.16 and 16,941.28 is: 23,379.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,370.36 : 41,911.16 = 16,941.28 : x
  2. Step 2: Convert to fraction form
    30,370.36/41,911.16 = 16,941.28/x
  3. Step 3: Cross multiply
    30,370.36x = 41,911.16 × 16,941.28
  4. Step 4: Simplify right side
    30,370.36x = 710,028,696.68
  5. Step 5: Solve for x
    x = 710,028,696.68/30,370.36
  6. Step 6: Final answer
    x = 23,379.00

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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.