Home / 30,116.75-41,559.89-16,688.57

Finding the Fourth Proportional to 30,116.75, 41,559.89 and 16,688.57

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Solution

The fourth proportional to 30,116.75, 41,559.89 and 16,688.57 is: 23,029.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,116.75 : 41,559.89 = 16,688.57 : x
  2. Step 2: Convert to fraction form
    30,116.75/41,559.89 = 16,688.57/x
  3. Step 3: Cross multiply
    30,116.75x = 41,559.89 × 16,688.57
  4. Step 4: Simplify right side
    30,116.75x = 693,574,842.22
  5. Step 5: Solve for x
    x = 693,574,842.22/30,116.75
  6. Step 6: Final answer
    x = 23,029.54

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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.