Home / 54,941.51-75,820.77-31,071.75

Finding the Fourth Proportional to 54,941.51, 75,820.77 and 31,071.75

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Solution

The fourth proportional to 54,941.51, 75,820.77 and 31,071.75 is: 42,879.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,941.51 : 75,820.77 = 31,071.75 : x
  2. Step 2: Convert to fraction form
    54,941.51/75,820.77 = 31,071.75/x
  3. Step 3: Cross multiply
    54,941.51x = 75,820.77 × 31,071.75
  4. Step 4: Simplify right side
    54,941.51x = 2,355,884,010.25
  5. Step 5: Solve for x
    x = 2,355,884,010.25/54,941.51
  6. Step 6: Final answer
    x = 42,879.86

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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.