Home / 48,439.67-66,879.06-30,317.90

Finding the Fourth Proportional to 48,439.67, 66,879.06 and 30,317.90

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Solution

The fourth proportional to 48,439.67, 66,879.06 and 30,317.90 is: 41,858.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,439.67 : 66,879.06 = 30,317.90 : x
  2. Step 2: Convert to fraction form
    48,439.67/66,879.06 = 30,317.90/x
  3. Step 3: Cross multiply
    48,439.67x = 66,879.06 × 30,317.90
  4. Step 4: Simplify right side
    48,439.67x = 2,027,632,653.17
  5. Step 5: Solve for x
    x = 2,027,632,653.17/48,439.67
  6. Step 6: Final answer
    x = 41,858.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.