Home / 30,160.68-41,623.38-19,559.40

Finding the Fourth Proportional to 30,160.68, 41,623.38 and 19,559.40

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Solution

The fourth proportional to 30,160.68, 41,623.38 and 19,559.40 is: 26,993.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,160.68 : 41,623.38 = 19,559.40 : x
  2. Step 2: Convert to fraction form
    30,160.68/41,623.38 = 19,559.40/x
  3. Step 3: Cross multiply
    30,160.68x = 41,623.38 × 19,559.40
  4. Step 4: Simplify right side
    30,160.68x = 814,128,338.77
  5. Step 5: Solve for x
    x = 814,128,338.77/30,160.68
  6. Step 6: Final answer
    x = 26,993.04

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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.