Home / 39,204.34-54,101.70-21,299.49

Finding the Fourth Proportional to 39,204.34, 54,101.70 and 21,299.49

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Solution

The fourth proportional to 39,204.34, 54,101.70 and 21,299.49 is: 29,393.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,204.34 : 54,101.70 = 21,299.49 : x
  2. Step 2: Convert to fraction form
    39,204.34/54,101.70 = 21,299.49/x
  3. Step 3: Cross multiply
    39,204.34x = 54,101.70 × 21,299.49
  4. Step 4: Simplify right side
    39,204.34x = 1,152,338,618.13
  5. Step 5: Solve for x
    x = 1,152,338,618.13/39,204.34
  6. Step 6: Final answer
    x = 29,393.14

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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.