Home / 30,208.06-41,686.56-16,779.18

Finding the Fourth Proportional to 30,208.06, 41,686.56 and 16,779.18

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Solution

The fourth proportional to 30,208.06, 41,686.56 and 16,779.18 is: 23,154.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,208.06 : 41,686.56 = 16,779.18 : x
  2. Step 2: Convert to fraction form
    30,208.06/41,686.56 = 16,779.18/x
  3. Step 3: Cross multiply
    30,208.06x = 41,686.56 × 16,779.18
  4. Step 4: Simplify right side
    30,208.06x = 699,466,293.82
  5. Step 5: Solve for x
    x = 699,466,293.82/30,208.06
  6. Step 6: Final answer
    x = 23,154.96

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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.