Home / 38,840.94-58,221.32-21,273.66

Finding the Fourth Proportional to 38,840.94, 58,221.32 and 21,273.66

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Solution

The fourth proportional to 38,840.94, 58,221.32 and 21,273.66 is: 31,888.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,840.94 : 58,221.32 = 21,273.66 : x
  2. Step 2: Convert to fraction form
    38,840.94/58,221.32 = 21,273.66/x
  3. Step 3: Cross multiply
    38,840.94x = 58,221.32 × 21,273.66
  4. Step 4: Simplify right side
    38,840.94x = 1,238,580,460.06
  5. Step 5: Solve for x
    x = 1,238,580,460.06/38,840.94
  6. Step 6: Final answer
    x = 31,888.53

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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.