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Finding the Fourth Proportional to 58,968, 81,376.32 and 32,472

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Solution

The fourth proportional to 58,968, 81,376.32 and 32,472 is: 44,811.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,968 : 81,376.32 = 32,472 : x
  2. Step 2: Convert to fraction form
    58,968/81,376.32 = 32,472/x
  3. Step 3: Cross multiply
    58,968x = 81,376.32 × 32,472
  4. Step 4: Simplify right side
    58,968x = 2,642,451,863.04
  5. Step 5: Solve for x
    x = 2,642,451,863.04/58,968
  6. Step 6: Final answer
    x = 44,811.62

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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.