Home / 32,858.28-45,361.49-20,129.94

Finding the Fourth Proportional to 32,858.28, 45,361.49 and 20,129.94

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Solution

The fourth proportional to 32,858.28, 45,361.49 and 20,129.94 is: 27,789.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,858.28 : 45,361.49 = 20,129.94 : x
  2. Step 2: Convert to fraction form
    32,858.28/45,361.49 = 20,129.94/x
  3. Step 3: Cross multiply
    32,858.28x = 45,361.49 × 20,129.94
  4. Step 4: Simplify right side
    32,858.28x = 913,123,971.36
  5. Step 5: Solve for x
    x = 913,123,971.36/32,858.28
  6. Step 6: Final answer
    x = 27,789.77

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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.