Home / 39,204.74-54,101.88-21,300.03

Finding the Fourth Proportional to 39,204.74, 54,101.88 and 21,300.03

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Solution

The fourth proportional to 39,204.74, 54,101.88 and 21,300.03 is: 29,393.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,204.74 : 54,101.88 = 21,300.03 : x
  2. Step 2: Convert to fraction form
    39,204.74/54,101.88 = 21,300.03/x
  3. Step 3: Cross multiply
    39,204.74x = 54,101.88 × 21,300.03
  4. Step 4: Simplify right side
    39,204.74x = 1,152,371,667.06
  5. Step 5: Solve for x
    x = 1,152,371,667.06/39,204.74
  6. Step 6: Final answer
    x = 29,393.68

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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.