Home / 45,284.51-67,904.91-18,982.19

Finding the Fourth Proportional to 45,284.51, 67,904.91 and 18,982.19

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Solution

The fourth proportional to 45,284.51, 67,904.91 and 18,982.19 is: 28,464.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,284.51 : 67,904.91 = 18,982.19 : x
  2. Step 2: Convert to fraction form
    45,284.51/67,904.91 = 18,982.19/x
  3. Step 3: Cross multiply
    45,284.51x = 67,904.91 × 18,982.19
  4. Step 4: Simplify right side
    45,284.51x = 1,288,983,564.03
  5. Step 5: Solve for x
    x = 1,288,983,564.03/45,284.51
  6. Step 6: Final answer
    x = 28,464.12

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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.