Home / 41,938.95-57,875.27-31,231.74

Finding the Fourth Proportional to 41,938.95, 57,875.27 and 31,231.74

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Solution

The fourth proportional to 41,938.95, 57,875.27 and 31,231.74 is: 43,099.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,938.95 : 57,875.27 = 31,231.74 : x
  2. Step 2: Convert to fraction form
    41,938.95/57,875.27 = 31,231.74/x
  3. Step 3: Cross multiply
    41,938.95x = 57,875.27 × 31,231.74
  4. Step 4: Simplify right side
    41,938.95x = 1,807,545,228.91
  5. Step 5: Solve for x
    x = 1,807,545,228.91/41,938.95
  6. Step 6: Final answer
    x = 43,099.44

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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.