Home / 53,795.88-74,238.31-31,439.88

Finding the Fourth Proportional to 53,795.88, 74,238.31 and 31,439.88

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Solution

The fourth proportional to 53,795.88, 74,238.31 and 31,439.88 is: 43,387.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,795.88 : 74,238.31 = 31,439.88 : x
  2. Step 2: Convert to fraction form
    53,795.88/74,238.31 = 31,439.88/x
  3. Step 3: Cross multiply
    53,795.88x = 74,238.31 × 31,439.88
  4. Step 4: Simplify right side
    53,795.88x = 2,334,043,557.80
  5. Step 5: Solve for x
    x = 2,334,043,557.80/53,795.88
  6. Step 6: Final answer
    x = 43,387.03

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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.