Home / 30,214.20-41,702.27-16,790.07

Finding the Fourth Proportional to 30,214.20, 41,702.27 and 16,790.07

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Solution

The fourth proportional to 30,214.20, 41,702.27 and 16,790.07 is: 23,174.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,214.20 : 41,702.27 = 16,790.07 : x
  2. Step 2: Convert to fraction form
    30,214.20/41,702.27 = 16,790.07/x
  3. Step 3: Cross multiply
    30,214.20x = 41,702.27 × 16,790.07
  4. Step 4: Simplify right side
    30,214.20x = 700,183,948.51
  5. Step 5: Solve for x
    x = 700,183,948.51/30,214.20
  6. Step 6: Final answer
    x = 23,174.00

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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.