Home / 35,146.39-52,685.72-12,947.64

Finding the Fourth Proportional to 35,146.39, 52,685.72 and 12,947.64

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Solution

The fourth proportional to 35,146.39, 52,685.72 and 12,947.64 is: 19,408.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,146.39 : 52,685.72 = 12,947.64 : x
  2. Step 2: Convert to fraction form
    35,146.39/52,685.72 = 12,947.64/x
  3. Step 3: Cross multiply
    35,146.39x = 52,685.72 × 12,947.64
  4. Step 4: Simplify right side
    35,146.39x = 682,155,735.70
  5. Step 5: Solve for x
    x = 682,155,735.70/35,146.39
  6. Step 6: Final answer
    x = 19,408.98

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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.