Home / 32,979.32-45,513.70-18,634.18

Finding the Fourth Proportional to 32,979.32, 45,513.70 and 18,634.18

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Solution

The fourth proportional to 32,979.32, 45,513.70 and 18,634.18 is: 25,716.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,979.32 : 45,513.70 = 18,634.18 : x
  2. Step 2: Convert to fraction form
    32,979.32/45,513.70 = 18,634.18/x
  3. Step 3: Cross multiply
    32,979.32x = 45,513.70 × 18,634.18
  4. Step 4: Simplify right side
    32,979.32x = 848,110,478.27
  5. Step 5: Solve for x
    x = 848,110,478.27/32,979.32
  6. Step 6: Final answer
    x = 25,716.43

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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.