Home / 45,027.69-67,548.95-18,734.28

Finding the Fourth Proportional to 45,027.69, 67,548.95 and 18,734.28

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Solution

The fourth proportional to 45,027.69, 67,548.95 and 18,734.28 is: 28,104.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,027.69 : 67,548.95 = 18,734.28 : x
  2. Step 2: Convert to fraction form
    45,027.69/67,548.95 = 18,734.28/x
  3. Step 3: Cross multiply
    45,027.69x = 67,548.95 × 18,734.28
  4. Step 4: Simplify right side
    45,027.69x = 1,265,480,943.01
  5. Step 5: Solve for x
    x = 1,265,480,943.01/45,027.69
  6. Step 6: Final answer
    x = 28,104.51

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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.