Home / 30,208.38-41,686.95-16,779.25

Finding the Fourth Proportional to 30,208.38, 41,686.95 and 16,779.25

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Solution

The fourth proportional to 30,208.38, 41,686.95 and 16,779.25 is: 23,155.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,208.38 : 41,686.95 = 16,779.25 : x
  2. Step 2: Convert to fraction form
    30,208.38/41,686.95 = 16,779.25/x
  3. Step 3: Cross multiply
    30,208.38x = 41,686.95 × 16,779.25
  4. Step 4: Simplify right side
    30,208.38x = 699,475,755.79
  5. Step 5: Solve for x
    x = 699,475,755.79/30,208.38
  6. Step 6: Final answer
    x = 23,155.02

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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.