Home / 30,091.95-41,526.60-17,340.45

Finding the Fourth Proportional to 30,091.95, 41,526.60 and 17,340.45

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Solution

The fourth proportional to 30,091.95, 41,526.60 and 17,340.45 is: 23,929.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,091.95 : 41,526.60 = 17,340.45 : x
  2. Step 2: Convert to fraction form
    30,091.95/41,526.60 = 17,340.45/x
  3. Step 3: Cross multiply
    30,091.95x = 41,526.60 × 17,340.45
  4. Step 4: Simplify right side
    30,091.95x = 720,089,974.32
  5. Step 5: Solve for x
    x = 720,089,974.32/30,091.95
  6. Step 6: Final answer
    x = 23,929.65

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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.