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Finding the Fourth Proportional to 58,756, 81,083.28 and 32,260

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Solution

The fourth proportional to 58,756, 81,083.28 and 32,260 is: 44,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,756 : 81,083.28 = 32,260 : x
  2. Step 2: Convert to fraction form
    58,756/81,083.28 = 32,260/x
  3. Step 3: Cross multiply
    58,756x = 81,083.28 × 32,260
  4. Step 4: Simplify right side
    58,756x = 2,615,746,612.80
  5. Step 5: Solve for x
    x = 2,615,746,612.80/58,756
  6. Step 6: Final answer
    x = 44,518.80

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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.