Home / 30,226.80-45,383.40-17,104.80

Finding the Fourth Proportional to 30,226.80, 45,383.40 and 17,104.80

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Solution

The fourth proportional to 30,226.80, 45,383.40 and 17,104.80 is: 25,681.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,226.80 : 45,383.40 = 17,104.80 : x
  2. Step 2: Convert to fraction form
    30,226.80/45,383.40 = 17,104.80/x
  3. Step 3: Cross multiply
    30,226.80x = 45,383.40 × 17,104.80
  4. Step 4: Simplify right side
    30,226.80x = 776,273,980.32
  5. Step 5: Solve for x
    x = 776,273,980.32/30,226.80
  6. Step 6: Final answer
    x = 25,681.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.