Home / 30,385.19-41,933.66-16,959.06

Finding the Fourth Proportional to 30,385.19, 41,933.66 and 16,959.06

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Solution

The fourth proportional to 30,385.19, 41,933.66 and 16,959.06 is: 23,404.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,385.19 : 41,933.66 = 16,959.06 : x
  2. Step 2: Convert to fraction form
    30,385.19/41,933.66 = 16,959.06/x
  3. Step 3: Cross multiply
    30,385.19x = 41,933.66 × 16,959.06
  4. Step 4: Simplify right side
    30,385.19x = 711,155,371.16
  5. Step 5: Solve for x
    x = 711,155,371.16/30,385.19
  6. Step 6: Final answer
    x = 23,404.67

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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.