Home / 35,939.32-49,602.60-21,799.24

Finding the Fourth Proportional to 35,939.32, 49,602.60 and 21,799.24

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Solution

The fourth proportional to 35,939.32, 49,602.60 and 21,799.24 is: 30,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,939.32 : 49,602.60 = 21,799.24 : x
  2. Step 2: Convert to fraction form
    35,939.32/49,602.60 = 21,799.24/x
  3. Step 3: Cross multiply
    35,939.32x = 49,602.60 × 21,799.24
  4. Step 4: Simplify right side
    35,939.32x = 1,081,298,982.02
  5. Step 5: Solve for x
    x = 1,081,298,982.02/35,939.32
  6. Step 6: Final answer
    x = 30,086.80

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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.