Home / 39,046.49-58,587.60-21,250.49

Finding the Fourth Proportional to 39,046.49, 58,587.60 and 21,250.49

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Solution

The fourth proportional to 39,046.49, 58,587.60 and 21,250.49 is: 31,885.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,046.49 : 58,587.60 = 21,250.49 : x
  2. Step 2: Convert to fraction form
    39,046.49/58,587.60 = 21,250.49/x
  3. Step 3: Cross multiply
    39,046.49x = 58,587.60 × 21,250.49
  4. Step 4: Simplify right side
    39,046.49x = 1,245,014,994.68
  5. Step 5: Solve for x
    x = 1,245,014,994.68/39,046.49
  6. Step 6: Final answer
    x = 31,885.45

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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.