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Finding the Fourth Proportional to 35,394.95, 53,076.06 and 13,202.39

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Solution

The fourth proportional to 35,394.95, 53,076.06 and 13,202.39 is: 19,797.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,394.95 : 53,076.06 = 13,202.39 : x
  2. Step 2: Convert to fraction form
    35,394.95/53,076.06 = 13,202.39/x
  3. Step 3: Cross multiply
    35,394.95x = 53,076.06 × 13,202.39
  4. Step 4: Simplify right side
    35,394.95x = 700,730,578.40
  5. Step 5: Solve for x
    x = 700,730,578.40/35,394.95
  6. Step 6: Final answer
    x = 19,797.48

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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.