Home / 39,204.51-54,103.23-21,300.54

Finding the Fourth Proportional to 39,204.51, 54,103.23 and 21,300.54

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Solution

The fourth proportional to 39,204.51, 54,103.23 and 21,300.54 is: 29,395.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,204.51 : 54,103.23 = 21,300.54 : x
  2. Step 2: Convert to fraction form
    39,204.51/54,103.23 = 21,300.54/x
  3. Step 3: Cross multiply
    39,204.51x = 54,103.23 × 21,300.54
  4. Step 4: Simplify right side
    39,204.51x = 1,152,428,014.74
  5. Step 5: Solve for x
    x = 1,152,428,014.74/39,204.51
  6. Step 6: Final answer
    x = 29,395.29

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1.5x scale

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.