Home / 54,941.27-75,820.44-31,071.50

Finding the Fourth Proportional to 54,941.27, 75,820.44 and 31,071.50

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Solution

The fourth proportional to 54,941.27, 75,820.44 and 31,071.50 is: 42,879.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,941.27 : 75,820.44 = 31,071.50 : x
  2. Step 2: Convert to fraction form
    54,941.27/75,820.44 = 31,071.50/x
  3. Step 3: Cross multiply
    54,941.27x = 75,820.44 × 31,071.50
  4. Step 4: Simplify right side
    54,941.27x = 2,355,854,801.46
  5. Step 5: Solve for x
    x = 2,355,854,801.46/54,941.27
  6. Step 6: Final answer
    x = 42,879.51

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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.