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Finding the Fourth Proportional to 58,806, 81,157.40 and 32,315.12

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Solution

The fourth proportional to 58,806, 81,157.40 and 32,315.12 is: 44,597.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,806 : 81,157.40 = 32,315.12 : x
  2. Step 2: Convert to fraction form
    58,806/81,157.40 = 32,315.12/x
  3. Step 3: Cross multiply
    58,806x = 81,157.40 × 32,315.12
  4. Step 4: Simplify right side
    58,806x = 2,622,611,119.89
  5. Step 5: Solve for x
    x = 2,622,611,119.89/58,806
  6. Step 6: Final answer
    x = 44,597.68

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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.