Home / 32,639.31-45,042.18-18,492.12

Finding the Fourth Proportional to 32,639.31, 45,042.18 and 18,492.12

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Solution

The fourth proportional to 32,639.31, 45,042.18 and 18,492.12 is: 25,519.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,639.31 : 45,042.18 = 18,492.12 : x
  2. Step 2: Convert to fraction form
    32,639.31/45,042.18 = 18,492.12/x
  3. Step 3: Cross multiply
    32,639.31x = 45,042.18 × 18,492.12
  4. Step 4: Simplify right side
    32,639.31x = 832,925,397.62
  5. Step 5: Solve for x
    x = 832,925,397.62/32,639.31
  6. Step 6: Final answer
    x = 25,519.09

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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.