Home / 38,204.88-52,716.33-21,206.40

Finding the Fourth Proportional to 38,204.88, 52,716.33 and 21,206.40

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Solution

The fourth proportional to 38,204.88, 52,716.33 and 21,206.40 is: 29,261.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,204.88 : 52,716.33 = 21,206.40 : x
  2. Step 2: Convert to fraction form
    38,204.88/52,716.33 = 21,206.40/x
  3. Step 3: Cross multiply
    38,204.88x = 52,716.33 × 21,206.40
  4. Step 4: Simplify right side
    38,204.88x = 1,117,923,580.51
  5. Step 5: Solve for x
    x = 1,117,923,580.51/38,204.88
  6. Step 6: Final answer
    x = 29,261.28

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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.