Home / 39,054.50-58,599.60-21,258.50

Finding the Fourth Proportional to 39,054.50, 58,599.60 and 21,258.50

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Solution

The fourth proportional to 39,054.50, 58,599.60 and 21,258.50 is: 31,897.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,054.50 : 58,599.60 = 21,258.50 : x
  2. Step 2: Convert to fraction form
    39,054.50/58,599.60 = 21,258.50/x
  3. Step 3: Cross multiply
    39,054.50x = 58,599.60 × 21,258.50
  4. Step 4: Simplify right side
    39,054.50x = 1,245,739,596.60
  5. Step 5: Solve for x
    x = 1,245,739,596.60/39,054.50
  6. Step 6: Final answer
    x = 31,897.47

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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.