Home / 35,383.46-53,058.79-13,190.88

Finding the Fourth Proportional to 35,383.46, 53,058.79 and 13,190.88

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Solution

The fourth proportional to 35,383.46, 53,058.79 and 13,190.88 is: 19,780.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,383.46 : 53,058.79 = 13,190.88 : x
  2. Step 2: Convert to fraction form
    35,383.46/53,058.79 = 13,190.88/x
  3. Step 3: Cross multiply
    35,383.46x = 53,058.79 × 13,190.88
  4. Step 4: Simplify right side
    35,383.46x = 699,892,131.84
  5. Step 5: Solve for x
    x = 699,892,131.84/35,383.46
  6. Step 6: Final answer
    x = 19,780.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.