Home / 58,518.14-87,724.82-21,069.41

Finding the Fourth Proportional to 58,518.14, 87,724.82 and 21,069.41

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Solution

The fourth proportional to 58,518.14, 87,724.82 and 21,069.41 is: 31,585.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,518.14 : 87,724.82 = 21,069.41 : x
  2. Step 2: Convert to fraction form
    58,518.14/87,724.82 = 21,069.41/x
  3. Step 3: Cross multiply
    58,518.14x = 87,724.82 × 21,069.41
  4. Step 4: Simplify right side
    58,518.14x = 1,848,309,813.81
  5. Step 5: Solve for x
    x = 1,848,309,813.81/58,518.14
  6. Step 6: Final answer
    x = 31,585.25

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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.