Home / 35,118.09-52,652.51-12,928.58

Finding the Fourth Proportional to 35,118.09, 52,652.51 and 12,928.58

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Solution

The fourth proportional to 35,118.09, 52,652.51 and 12,928.58 is: 19,383.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,118.09 : 52,652.51 = 12,928.58 : x
  2. Step 2: Convert to fraction form
    35,118.09/52,652.51 = 12,928.58/x
  3. Step 3: Cross multiply
    35,118.09x = 52,652.51 × 12,928.58
  4. Step 4: Simplify right side
    35,118.09x = 680,722,178.48
  5. Step 5: Solve for x
    x = 680,722,178.48/35,118.09
  6. Step 6: Final answer
    x = 19,383.80

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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.