Home / 30,355.49-41,894.69-17,785.25

Finding the Fourth Proportional to 30,355.49, 41,894.69 and 17,785.25

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Solution

The fourth proportional to 30,355.49, 41,894.69 and 17,785.25 is: 24,546.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,355.49 : 41,894.69 = 17,785.25 : x
  2. Step 2: Convert to fraction form
    30,355.49/41,894.69 = 17,785.25/x
  3. Step 3: Cross multiply
    30,355.49x = 41,894.69 × 17,785.25
  4. Step 4: Simplify right side
    30,355.49x = 745,107,446.40
  5. Step 5: Solve for x
    x = 745,107,446.40/30,355.49
  6. Step 6: Final answer
    x = 24,546.05

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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.