Home / 39,341.73-54,291.60-21,436.74

Finding the Fourth Proportional to 39,341.73, 54,291.60 and 21,436.74

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Solution

The fourth proportional to 39,341.73, 54,291.60 and 21,436.74 is: 29,582.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,341.73 : 54,291.60 = 21,436.74 : x
  2. Step 2: Convert to fraction form
    39,341.73/54,291.60 = 21,436.74/x
  3. Step 3: Cross multiply
    39,341.73x = 54,291.60 × 21,436.74
  4. Step 4: Simplify right side
    39,341.73x = 1,163,835,116.98
  5. Step 5: Solve for x
    x = 1,163,835,116.98/39,341.73
  6. Step 6: Final answer
    x = 29,582.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.