Home / 48,346.88-66,721.44-27,128

Finding the Fourth Proportional to 48,346.88, 66,721.44 and 27,128

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Solution

The fourth proportional to 48,346.88, 66,721.44 and 27,128 is: 37,438.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,346.88 : 66,721.44 = 27,128 : x
  2. Step 2: Convert to fraction form
    48,346.88/66,721.44 = 27,128/x
  3. Step 3: Cross multiply
    48,346.88x = 66,721.44 × 27,128
  4. Step 4: Simplify right side
    48,346.88x = 1,810,019,224.32
  5. Step 5: Solve for x
    x = 1,810,019,224.32/48,346.88
  6. Step 6: Final answer
    x = 37,438.18

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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.