Home / 30,316.45-41,836.63-16,887.56

Finding the Fourth Proportional to 30,316.45, 41,836.63 and 16,887.56

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Solution

The fourth proportional to 30,316.45, 41,836.63 and 16,887.56 is: 23,304.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,316.45 : 41,836.63 = 16,887.56 : x
  2. Step 2: Convert to fraction form
    30,316.45/41,836.63 = 16,887.56/x
  3. Step 3: Cross multiply
    30,316.45x = 41,836.63 × 16,887.56
  4. Step 4: Simplify right side
    30,316.45x = 706,518,599.32
  5. Step 5: Solve for x
    x = 706,518,599.32/30,316.45
  6. Step 6: Final answer
    x = 23,304.79

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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.