Home / 35,171.64-48,530.34-21,021.48

Finding the Fourth Proportional to 35,171.64, 48,530.34 and 21,021.48

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Solution

The fourth proportional to 35,171.64, 48,530.34 and 21,021.48 is: 29,005.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,171.64 : 48,530.34 = 21,021.48 : x
  2. Step 2: Convert to fraction form
    35,171.64/48,530.34 = 21,021.48/x
  3. Step 3: Cross multiply
    35,171.64x = 48,530.34 × 21,021.48
  4. Step 4: Simplify right side
    35,171.64x = 1,020,179,571.70
  5. Step 5: Solve for x
    x = 1,020,179,571.70/35,171.64
  6. Step 6: Final answer
    x = 29,005.74

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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.