Home / 39,631.62-54,690.18-23,715.12

Finding the Fourth Proportional to 39,631.62, 54,690.18 and 23,715.12

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Solution

The fourth proportional to 39,631.62, 54,690.18 and 23,715.12 is: 32,725.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,631.62 : 54,690.18 = 23,715.12 : x
  2. Step 2: Convert to fraction form
    39,631.62/54,690.18 = 23,715.12/x
  3. Step 3: Cross multiply
    39,631.62x = 54,690.18 × 23,715.12
  4. Step 4: Simplify right side
    39,631.62x = 1,296,984,181.52
  5. Step 5: Solve for x
    x = 1,296,984,181.52/39,631.62
  6. Step 6: Final answer
    x = 32,725.99

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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.