Home / 32,689.32-45,104.58-18,538.44

Finding the Fourth Proportional to 32,689.32, 45,104.58 and 18,538.44

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Solution

The fourth proportional to 32,689.32, 45,104.58 and 18,538.44 is: 25,579.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,689.32 : 45,104.58 = 18,538.44 : x
  2. Step 2: Convert to fraction form
    32,689.32/45,104.58 = 18,538.44/x
  3. Step 3: Cross multiply
    32,689.32x = 45,104.58 × 18,538.44
  4. Step 4: Simplify right side
    32,689.32x = 836,168,550.06
  5. Step 5: Solve for x
    x = 836,168,550.06/32,689.32
  6. Step 6: Final answer
    x = 25,579.26

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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.