Home / 30,884.39-42,619.31-16,736.93

Finding the Fourth Proportional to 30,884.39, 42,619.31 and 16,736.93

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Solution

The fourth proportional to 30,884.39, 42,619.31 and 16,736.93 is: 23,096.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,884.39 : 42,619.31 = 16,736.93 : x
  2. Step 2: Convert to fraction form
    30,884.39/42,619.31 = 16,736.93/x
  3. Step 3: Cross multiply
    30,884.39x = 42,619.31 × 16,736.93
  4. Step 4: Simplify right side
    30,884.39x = 713,316,428.07
  5. Step 5: Solve for x
    x = 713,316,428.07/30,884.39
  6. Step 6: Final answer
    x = 23,096.34

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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.