Home / 30,316.89-41,838.57-16,888.14

Finding the Fourth Proportional to 30,316.89, 41,838.57 and 16,888.14

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Solution

The fourth proportional to 30,316.89, 41,838.57 and 16,888.14 is: 23,306.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,316.89 : 41,838.57 = 16,888.14 : x
  2. Step 2: Convert to fraction form
    30,316.89/41,838.57 = 16,888.14/x
  3. Step 3: Cross multiply
    30,316.89x = 41,838.57 × 16,888.14
  4. Step 4: Simplify right side
    30,316.89x = 706,575,716.56
  5. Step 5: Solve for x
    x = 706,575,716.56/30,316.89
  6. Step 6: Final answer
    x = 23,306.34

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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.