Home / 39,376.64-54,349.44-30,410.48

Finding the Fourth Proportional to 39,376.64, 54,349.44 and 30,410.48

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Solution

The fourth proportional to 39,376.64, 54,349.44 and 30,410.48 is: 41,973.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,376.64 : 54,349.44 = 30,410.48 : x
  2. Step 2: Convert to fraction form
    39,376.64/54,349.44 = 30,410.48/x
  3. Step 3: Cross multiply
    39,376.64x = 54,349.44 × 30,410.48
  4. Step 4: Simplify right side
    39,376.64x = 1,652,792,558.13
  5. Step 5: Solve for x
    x = 1,652,792,558.13/39,376.64
  6. Step 6: Final answer
    x = 41,973.94

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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.