Home / 45,284.26-67,904.54-18,981.94

Finding the Fourth Proportional to 45,284.26, 67,904.54 and 18,981.94

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Solution

The fourth proportional to 45,284.26, 67,904.54 and 18,981.94 is: 28,463.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,284.26 : 67,904.54 = 18,981.94 : x
  2. Step 2: Convert to fraction form
    45,284.26/67,904.54 = 18,981.94/x
  3. Step 3: Cross multiply
    45,284.26x = 67,904.54 × 18,981.94
  4. Step 4: Simplify right side
    45,284.26x = 1,288,959,904.01
  5. Step 5: Solve for x
    x = 1,288,959,904.01/45,284.26
  6. Step 6: Final answer
    x = 28,463.75

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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.