Home / 32,738.31-45,179.51-18,591.21

Finding the Fourth Proportional to 32,738.31, 45,179.51 and 18,591.21

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Solution

The fourth proportional to 32,738.31, 45,179.51 and 18,591.21 is: 25,656.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,738.31 : 45,179.51 = 18,591.21 : x
  2. Step 2: Convert to fraction form
    32,738.31/45,179.51 = 18,591.21/x
  3. Step 3: Cross multiply
    32,738.31x = 45,179.51 × 18,591.21
  4. Step 4: Simplify right side
    32,738.31x = 839,941,665.15
  5. Step 5: Solve for x
    x = 839,941,665.15/32,738.31
  6. Step 6: Final answer
    x = 25,656.23

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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.