Home / 55,374.79-76,418.91-31,504.90

Finding the Fourth Proportional to 55,374.79, 76,418.91 and 31,504.90

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Solution

The fourth proportional to 55,374.79, 76,418.91 and 31,504.90 is: 43,477.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,374.79 : 76,418.91 = 31,504.90 : x
  2. Step 2: Convert to fraction form
    55,374.79/76,418.91 = 31,504.90/x
  3. Step 3: Cross multiply
    55,374.79x = 76,418.91 × 31,504.90
  4. Step 4: Simplify right side
    55,374.79x = 2,407,570,117.66
  5. Step 5: Solve for x
    x = 2,407,570,117.66/55,374.79
  6. Step 6: Final answer
    x = 43,477.73

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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.