Home / 45,272.12-67,911.81-17,205.62

Finding the Fourth Proportional to 45,272.12, 67,911.81 and 17,205.62

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Solution

The fourth proportional to 45,272.12, 67,911.81 and 17,205.62 is: 25,809.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,272.12 : 67,911.81 = 17,205.62 : x
  2. Step 2: Convert to fraction form
    45,272.12/67,911.81 = 17,205.62/x
  3. Step 3: Cross multiply
    45,272.12x = 67,911.81 × 17,205.62
  4. Step 4: Simplify right side
    45,272.12x = 1,168,464,796.37
  5. Step 5: Solve for x
    x = 1,168,464,796.37/45,272.12
  6. Step 6: Final answer
    x = 25,809.81

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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.