Home / 51,761.42-71,466.16-39,640.50

Finding the Fourth Proportional to 51,761.42, 71,466.16 and 39,640.50

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Solution

The fourth proportional to 51,761.42, 71,466.16 and 39,640.50 is: 54,731.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,761.42 : 71,466.16 = 39,640.50 : x
  2. Step 2: Convert to fraction form
    51,761.42/71,466.16 = 39,640.50/x
  3. Step 3: Cross multiply
    51,761.42x = 71,466.16 × 39,640.50
  4. Step 4: Simplify right side
    51,761.42x = 2,832,954,315.48
  5. Step 5: Solve for x
    x = 2,832,954,315.48/51,761.42
  6. Step 6: Final answer
    x = 54,731.00

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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.