Home / 36,439.90-54,636.45-15,374.18

Finding the Fourth Proportional to 36,439.90, 54,636.45 and 15,374.18

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Solution

The fourth proportional to 36,439.90, 54,636.45 and 15,374.18 is: 23,051.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,439.90 : 54,636.45 = 15,374.18 : x
  2. Step 2: Convert to fraction form
    36,439.90/54,636.45 = 15,374.18/x
  3. Step 3: Cross multiply
    36,439.90x = 54,636.45 × 15,374.18
  4. Step 4: Simplify right side
    36,439.90x = 839,990,585.37
  5. Step 5: Solve for x
    x = 839,990,585.37/36,439.90
  6. Step 6: Final answer
    x = 23,051.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.