Home / 35,086.91-48,415.73-19,979.60

Finding the Fourth Proportional to 35,086.91, 48,415.73 and 19,979.60

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Solution

The fourth proportional to 35,086.91, 48,415.73 and 19,979.60 is: 27,569.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,086.91 : 48,415.73 = 19,979.60 : x
  2. Step 2: Convert to fraction form
    35,086.91/48,415.73 = 19,979.60/x
  3. Step 3: Cross multiply
    35,086.91x = 48,415.73 × 19,979.60
  4. Step 4: Simplify right side
    35,086.91x = 967,326,577.13
  5. Step 5: Solve for x
    x = 967,326,577.13/35,086.91
  6. Step 6: Final answer
    x = 27,569.45

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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.