Home / 32,912.64-45,419.64-18,765.36

Finding the Fourth Proportional to 32,912.64, 45,419.64 and 18,765.36

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Solution

The fourth proportional to 32,912.64, 45,419.64 and 18,765.36 is: 25,896.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,912.64 : 45,419.64 = 18,765.36 : x
  2. Step 2: Convert to fraction form
    32,912.64/45,419.64 = 18,765.36/x
  3. Step 3: Cross multiply
    32,912.64x = 45,419.64 × 18,765.36
  4. Step 4: Simplify right side
    32,912.64x = 852,315,895.67
  5. Step 5: Solve for x
    x = 852,315,895.67/32,912.64
  6. Step 6: Final answer
    x = 25,896.31

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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.