Home / 30,744.16-42,370.80-22,346.08

Finding the Fourth Proportional to 30,744.16, 42,370.80 and 22,346.08

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Solution

The fourth proportional to 30,744.16, 42,370.80 and 22,346.08 is: 30,796.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,744.16 : 42,370.80 = 22,346.08 : x
  2. Step 2: Convert to fraction form
    30,744.16/42,370.80 = 22,346.08/x
  3. Step 3: Cross multiply
    30,744.16x = 42,370.80 × 22,346.08
  4. Step 4: Simplify right side
    30,744.16x = 946,821,286.46
  5. Step 5: Solve for x
    x = 946,821,286.46/30,744.16
  6. Step 6: Final answer
    x = 30,796.79

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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.