Home / 57,230.25-78,970.34-31,736.41

Finding the Fourth Proportional to 57,230.25, 78,970.34 and 31,736.41

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Solution

The fourth proportional to 57,230.25, 78,970.34 and 31,736.41 is: 43,792.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,230.25 : 78,970.34 = 31,736.41 : x
  2. Step 2: Convert to fraction form
    57,230.25/78,970.34 = 31,736.41/x
  3. Step 3: Cross multiply
    57,230.25x = 78,970.34 × 31,736.41
  4. Step 4: Simplify right side
    57,230.25x = 2,506,234,969.99
  5. Step 5: Solve for x
    x = 2,506,234,969.99/57,230.25
  6. Step 6: Final answer
    x = 43,792.14

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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.