Home / 30,313.91-41,833.13-16,886.34

Finding the Fourth Proportional to 30,313.91, 41,833.13 and 16,886.34

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Solution

The fourth proportional to 30,313.91, 41,833.13 and 16,886.34 is: 23,303.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,313.91 : 41,833.13 = 16,886.34 : x
  2. Step 2: Convert to fraction form
    30,313.91/41,833.13 = 16,886.34/x
  3. Step 3: Cross multiply
    30,313.91x = 41,833.13 × 16,886.34
  4. Step 4: Simplify right side
    30,313.91x = 706,408,372.01
  5. Step 5: Solve for x
    x = 706,408,372.01/30,313.91
  6. Step 6: Final answer
    x = 23,303.11

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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.