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Finding the Fourth Proportional to 58,879.96, 81,275.21 and 35,006.52

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Solution

The fourth proportional to 58,879.96, 81,275.21 and 35,006.52 is: 48,321.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,879.96 : 81,275.21 = 35,006.52 : x
  2. Step 2: Convert to fraction form
    58,879.96/81,275.21 = 35,006.52/x
  3. Step 3: Cross multiply
    58,879.96x = 81,275.21 × 35,006.52
  4. Step 4: Simplify right side
    58,879.96x = 2,845,162,264.37
  5. Step 5: Solve for x
    x = 2,845,162,264.37/58,879.96
  6. Step 6: Final answer
    x = 48,321.40

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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.