Home / 58,531.89-87,770.46-21,087.04

Finding the Fourth Proportional to 58,531.89, 87,770.46 and 21,087.04

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Solution

The fourth proportional to 58,531.89, 87,770.46 and 21,087.04 is: 31,620.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,531.89 : 87,770.46 = 21,087.04 : x
  2. Step 2: Convert to fraction form
    58,531.89/87,770.46 = 21,087.04/x
  3. Step 3: Cross multiply
    58,531.89x = 87,770.46 × 21,087.04
  4. Step 4: Simplify right side
    58,531.89x = 1,850,818,949.75
  5. Step 5: Solve for x
    x = 1,850,818,949.75/58,531.89
  6. Step 6: Final answer
    x = 31,620.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.