Home / 45,029.36-67,551.47-18,735.95

Finding the Fourth Proportional to 45,029.36, 67,551.47 and 18,735.95

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Solution

The fourth proportional to 45,029.36, 67,551.47 and 18,735.95 is: 28,107.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,029.36 : 67,551.47 = 18,735.95 : x
  2. Step 2: Convert to fraction form
    45,029.36/67,551.47 = 18,735.95/x
  3. Step 3: Cross multiply
    45,029.36x = 67,551.47 × 18,735.95
  4. Step 4: Simplify right side
    45,029.36x = 1,265,641,039.55
  5. Step 5: Solve for x
    x = 1,265,641,039.55/45,029.36
  6. Step 6: Final answer
    x = 28,107.02

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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.