Home / 30,917.33-42,705.96-22,867.35

Finding the Fourth Proportional to 30,917.33, 42,705.96 and 22,867.35

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Solution

The fourth proportional to 30,917.33, 42,705.96 and 22,867.35 is: 31,586.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,917.33 : 42,705.96 = 22,867.35 : x
  2. Step 2: Convert to fraction form
    30,917.33/42,705.96 = 22,867.35/x
  3. Step 3: Cross multiply
    30,917.33x = 42,705.96 × 22,867.35
  4. Step 4: Simplify right side
    30,917.33x = 976,572,134.41
  5. Step 5: Solve for x
    x = 976,572,134.41/30,917.33
  6. Step 6: Final answer
    x = 31,586.56

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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.