Home / 35,083.32-48,419.12-19,979.60

Finding the Fourth Proportional to 35,083.32, 48,419.12 and 19,979.60

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Solution

The fourth proportional to 35,083.32, 48,419.12 and 19,979.60 is: 27,574.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,083.32 : 48,419.12 = 19,979.60 : x
  2. Step 2: Convert to fraction form
    35,083.32/48,419.12 = 19,979.60/x
  3. Step 3: Cross multiply
    35,083.32x = 48,419.12 × 19,979.60
  4. Step 4: Simplify right side
    35,083.32x = 967,394,649.95
  5. Step 5: Solve for x
    x = 967,394,649.95/35,083.32
  6. Step 6: Final answer
    x = 27,574.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.