Home / 38,253.36-52,788.90-21,257.48

Finding the Fourth Proportional to 38,253.36, 52,788.90 and 21,257.48

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Solution

The fourth proportional to 38,253.36, 52,788.90 and 21,257.48 is: 29,334.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,253.36 : 52,788.90 = 21,257.48 : x
  2. Step 2: Convert to fraction form
    38,253.36/52,788.90 = 21,257.48/x
  3. Step 3: Cross multiply
    38,253.36x = 52,788.90 × 21,257.48
  4. Step 4: Simplify right side
    38,253.36x = 1,122,158,985.97
  5. Step 5: Solve for x
    x = 1,122,158,985.97/38,253.36
  6. Step 6: Final answer
    x = 29,334.91

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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.