Home / 30,888.38-42,626.18-16,741.46

Finding the Fourth Proportional to 30,888.38, 42,626.18 and 16,741.46

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Solution

The fourth proportional to 30,888.38, 42,626.18 and 16,741.46 is: 23,103.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,888.38 : 42,626.18 = 16,741.46 : x
  2. Step 2: Convert to fraction form
    30,888.38/42,626.18 = 16,741.46/x
  3. Step 3: Cross multiply
    30,888.38x = 42,626.18 × 16,741.46
  4. Step 4: Simplify right side
    30,888.38x = 713,624,487.42
  5. Step 5: Solve for x
    x = 713,624,487.42/30,888.38
  6. Step 6: Final answer
    x = 23,103.33

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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.