Home / 35,138.97-52,729.25-12,967.79

Finding the Fourth Proportional to 35,138.97, 52,729.25 and 12,967.79

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Solution

The fourth proportional to 35,138.97, 52,729.25 and 12,967.79 is: 19,459.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,138.97 : 52,729.25 = 12,967.79 : x
  2. Step 2: Convert to fraction form
    35,138.97/52,729.25 = 12,967.79/x
  3. Step 3: Cross multiply
    35,138.97x = 52,729.25 × 12,967.79
  4. Step 4: Simplify right side
    35,138.97x = 683,781,512.37
  5. Step 5: Solve for x
    x = 683,781,512.37/35,138.97
  6. Step 6: Final answer
    x = 19,459.35

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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.