Home / 53,910.80-74,388.04-30,032.08

Finding the Fourth Proportional to 53,910.80, 74,388.04 and 30,032.08

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Solution

The fourth proportional to 53,910.80, 74,388.04 and 30,032.08 is: 41,439.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,910.80 : 74,388.04 = 30,032.08 : x
  2. Step 2: Convert to fraction form
    53,910.80/74,388.04 = 30,032.08/x
  3. Step 3: Cross multiply
    53,910.80x = 74,388.04 × 30,032.08
  4. Step 4: Simplify right side
    53,910.80x = 2,234,027,568.32
  5. Step 5: Solve for x
    x = 2,234,027,568.32/53,910.80
  6. Step 6: Final answer
    x = 41,439.33

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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.