Home / 30,208.37-41,685.75-16,779.29

Finding the Fourth Proportional to 30,208.37, 41,685.75 and 16,779.29

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Solution

The fourth proportional to 30,208.37, 41,685.75 and 16,779.29 is: 23,154.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,208.37 : 41,685.75 = 16,779.29 : x
  2. Step 2: Convert to fraction form
    30,208.37/41,685.75 = 16,779.29/x
  3. Step 3: Cross multiply
    30,208.37x = 41,685.75 × 16,779.29
  4. Step 4: Simplify right side
    30,208.37x = 699,457,079.69
  5. Step 5: Solve for x
    x = 699,457,079.69/30,208.37
  6. Step 6: Final answer
    x = 23,154.42

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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.