Home / 48,273.60-66,648.64-39,342.48

Finding the Fourth Proportional to 48,273.60, 66,648.64 and 39,342.48

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Solution

The fourth proportional to 48,273.60, 66,648.64 and 39,342.48 is: 54,317.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,273.60 : 66,648.64 = 39,342.48 : x
  2. Step 2: Convert to fraction form
    48,273.60/66,648.64 = 39,342.48/x
  3. Step 3: Cross multiply
    48,273.60x = 66,648.64 × 39,342.48
  4. Step 4: Simplify right side
    48,273.60x = 2,622,122,786.23
  5. Step 5: Solve for x
    x = 2,622,122,786.23/48,273.60
  6. Step 6: Final answer
    x = 54,317.95

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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.