Home / 30,365.88-41,904.97-16,938.00

Finding the Fourth Proportional to 30,365.88, 41,904.97 and 16,938.00

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Solution

The fourth proportional to 30,365.88, 41,904.97 and 16,938.00 is: 23,374.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,365.88 : 41,904.97 = 16,938.00 : x
  2. Step 2: Convert to fraction form
    30,365.88/41,904.97 = 16,938.00/x
  3. Step 3: Cross multiply
    30,365.88x = 41,904.97 × 16,938.00
  4. Step 4: Simplify right side
    30,365.88x = 709,786,560.18
  5. Step 5: Solve for x
    x = 709,786,560.18/30,365.88
  6. Step 6: Final answer
    x = 23,374.48

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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.