Home / 45,443.52-68,176.22-19,155.78

Finding the Fourth Proportional to 45,443.52, 68,176.22 and 19,155.78

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Solution

The fourth proportional to 45,443.52, 68,176.22 and 19,155.78 is: 28,738.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,443.52 : 68,176.22 = 19,155.78 : x
  2. Step 2: Convert to fraction form
    45,443.52/68,176.22 = 19,155.78/x
  3. Step 3: Cross multiply
    45,443.52x = 68,176.22 × 19,155.78
  4. Step 4: Simplify right side
    45,443.52x = 1,305,968,575.77
  5. Step 5: Solve for x
    x = 1,305,968,575.77/45,443.52
  6. Step 6: Final answer
    x = 28,738.28

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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.