Home / 30,385.33-41,931.68-16,956.44

Finding the Fourth Proportional to 30,385.33, 41,931.68 and 16,956.44

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Solution

The fourth proportional to 30,385.33, 41,931.68 and 16,956.44 is: 23,399.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,385.33 : 41,931.68 = 16,956.44 : x
  2. Step 2: Convert to fraction form
    30,385.33/41,931.68 = 16,956.44/x
  3. Step 3: Cross multiply
    30,385.33x = 41,931.68 × 16,956.44
  4. Step 4: Simplify right side
    30,385.33x = 711,011,878.82
  5. Step 5: Solve for x
    x = 711,011,878.82/30,385.33
  6. Step 6: Final answer
    x = 23,399.84

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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.