Home / 33,292.50-45,945.01-19,145.34

Finding the Fourth Proportional to 33,292.50, 45,945.01 and 19,145.34

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Solution

The fourth proportional to 33,292.50, 45,945.01 and 19,145.34 is: 26,421.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,292.50 : 45,945.01 = 19,145.34 : x
  2. Step 2: Convert to fraction form
    33,292.50/45,945.01 = 19,145.34/x
  3. Step 3: Cross multiply
    33,292.50x = 45,945.01 × 19,145.34
  4. Step 4: Simplify right side
    33,292.50x = 879,632,837.75
  5. Step 5: Solve for x
    x = 879,632,837.75/33,292.50
  6. Step 6: Final answer
    x = 26,421.35

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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.