Home / 39,515.78-54,532.85-23,609.40

Finding the Fourth Proportional to 39,515.78, 54,532.85 and 23,609.40

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Solution

The fourth proportional to 39,515.78, 54,532.85 and 23,609.40 is: 32,581.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,515.78 : 54,532.85 = 23,609.40 : x
  2. Step 2: Convert to fraction form
    39,515.78/54,532.85 = 23,609.40/x
  3. Step 3: Cross multiply
    39,515.78x = 54,532.85 × 23,609.40
  4. Step 4: Simplify right side
    39,515.78x = 1,287,487,750.74
  5. Step 5: Solve for x
    x = 1,287,487,750.74/39,515.78
  6. Step 6: Final answer
    x = 32,581.61

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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.