Home / 58,733.74-81,053.16-31,876.48

Finding the Fourth Proportional to 58,733.74, 81,053.16 and 31,876.48

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Solution

The fourth proportional to 58,733.74, 81,053.16 and 31,876.48 is: 43,989.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,733.74 : 81,053.16 = 31,876.48 : x
  2. Step 2: Convert to fraction form
    58,733.74/81,053.16 = 31,876.48/x
  3. Step 3: Cross multiply
    58,733.74x = 81,053.16 × 31,876.48
  4. Step 4: Simplify right side
    58,733.74x = 2,583,689,433.68
  5. Step 5: Solve for x
    x = 2,583,689,433.68/58,733.74
  6. Step 6: Final answer
    x = 43,989.87

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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.