Home / 45,919.41-68,878.95-25,919.83

Finding the Fourth Proportional to 45,919.41, 68,878.95 and 25,919.83

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Solution

The fourth proportional to 45,919.41, 68,878.95 and 25,919.83 is: 38,879.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,919.41 : 68,878.95 = 25,919.83 : x
  2. Step 2: Convert to fraction form
    45,919.41/68,878.95 = 25,919.83/x
  3. Step 3: Cross multiply
    45,919.41x = 68,878.95 × 25,919.83
  4. Step 4: Simplify right side
    45,919.41x = 1,785,330,674.58
  5. Step 5: Solve for x
    x = 1,785,330,674.58/45,919.41
  6. Step 6: Final answer
    x = 38,879.65

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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.