Home / 53,890.90-74,371.30-31,229.94

Finding the Fourth Proportional to 53,890.90, 74,371.30 and 31,229.94

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Solution

The fourth proportional to 53,890.90, 74,371.30 and 31,229.94 is: 43,098.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,890.90 : 74,371.30 = 31,229.94 : x
  2. Step 2: Convert to fraction form
    53,890.90/74,371.30 = 31,229.94/x
  3. Step 3: Cross multiply
    53,890.90x = 74,371.30 × 31,229.94
  4. Step 4: Simplify right side
    53,890.90x = 2,322,611,236.72
  5. Step 5: Solve for x
    x = 2,322,611,236.72/53,890.90
  6. Step 6: Final answer
    x = 43,098.39

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1.5x scale

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.