Home / 51,483.89-71,026.65-31,324.61

Finding the Fourth Proportional to 51,483.89, 71,026.65 and 31,324.61

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Solution

The fourth proportional to 51,483.89, 71,026.65 and 31,324.61 is: 43,215.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,483.89 : 71,026.65 = 31,324.61 : x
  2. Step 2: Convert to fraction form
    51,483.89/71,026.65 = 31,324.61/x
  3. Step 3: Cross multiply
    51,483.89x = 71,026.65 × 31,324.61
  4. Step 4: Simplify right side
    51,483.89x = 2,224,881,755.72
  5. Step 5: Solve for x
    x = 2,224,881,755.72/51,483.89
  6. Step 6: Final answer
    x = 43,215.11

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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.