Home / 30,334.32-41,862.57-16,905.45

Finding the Fourth Proportional to 30,334.32, 41,862.57 and 16,905.45

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Solution

The fourth proportional to 30,334.32, 41,862.57 and 16,905.45 is: 23,330.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,334.32 : 41,862.57 = 16,905.45 : x
  2. Step 2: Convert to fraction form
    30,334.32/41,862.57 = 16,905.45/x
  3. Step 3: Cross multiply
    30,334.32x = 41,862.57 × 16,905.45
  4. Step 4: Simplify right side
    30,334.32x = 707,705,584.01
  5. Step 5: Solve for x
    x = 707,705,584.01/30,334.32
  6. Step 6: Final answer
    x = 23,330.19

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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.