Home / 45,491.72-68,194.40-15,890.27

Finding the Fourth Proportional to 45,491.72, 68,194.40 and 15,890.27

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Solution

The fourth proportional to 45,491.72, 68,194.40 and 15,890.27 is: 23,820.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,491.72 : 68,194.40 = 15,890.27 : x
  2. Step 2: Convert to fraction form
    45,491.72/68,194.40 = 15,890.27/x
  3. Step 3: Cross multiply
    45,491.72x = 68,194.40 × 15,890.27
  4. Step 4: Simplify right side
    45,491.72x = 1,083,627,008.06
  5. Step 5: Solve for x
    x = 1,083,627,008.06/45,491.72
  6. Step 6: Final answer
    x = 23,820.32

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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.