Home / 53,911.77-74,399.48-30,039.90

Finding the Fourth Proportional to 53,911.77, 74,399.48 and 30,039.90

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Solution

The fourth proportional to 53,911.77, 74,399.48 and 30,039.90 is: 41,455.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,911.77 : 74,399.48 = 30,039.90 : x
  2. Step 2: Convert to fraction form
    53,911.77/74,399.48 = 30,039.90/x
  3. Step 3: Cross multiply
    53,911.77x = 74,399.48 × 30,039.90
  4. Step 4: Simplify right side
    53,911.77x = 2,234,952,939.25
  5. Step 5: Solve for x
    x = 2,234,952,939.25/53,911.77
  6. Step 6: Final answer
    x = 41,455.75

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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.