Home / 38,394.30-52,983.51-21,627.42

Finding the Fourth Proportional to 38,394.30, 52,983.51 and 21,627.42

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Solution

The fourth proportional to 38,394.30, 52,983.51 and 21,627.42 is: 29,845.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,394.30 : 52,983.51 = 21,627.42 : x
  2. Step 2: Convert to fraction form
    38,394.30/52,983.51 = 21,627.42/x
  3. Step 3: Cross multiply
    38,394.30x = 52,983.51 × 21,627.42
  4. Step 4: Simplify right side
    38,394.30x = 1,145,896,623.84
  5. Step 5: Solve for x
    x = 1,145,896,623.84/38,394.30
  6. Step 6: Final answer
    x = 29,845.49

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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.