Home / 30,358.31-41,894.69-16,930.43

Finding the Fourth Proportional to 30,358.31, 41,894.69 and 16,930.43

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Solution

The fourth proportional to 30,358.31, 41,894.69 and 16,930.43 is: 23,364.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,358.31 : 41,894.69 = 16,930.43 : x
  2. Step 2: Convert to fraction form
    30,358.31/41,894.69 = 16,930.43/x
  3. Step 3: Cross multiply
    30,358.31x = 41,894.69 × 16,930.43
  4. Step 4: Simplify right side
    30,358.31x = 709,294,979.40
  5. Step 5: Solve for x
    x = 709,294,979.40/30,358.31
  6. Step 6: Final answer
    x = 23,364.12

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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.