Home / 39,217.60-58,840.80-15,846.40

Finding the Fourth Proportional to 39,217.60, 58,840.80 and 15,846.40

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Solution

The fourth proportional to 39,217.60, 58,840.80 and 15,846.40 is: 23,775.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,217.60 : 58,840.80 = 15,846.40 : x
  2. Step 2: Convert to fraction form
    39,217.60/58,840.80 = 15,846.40/x
  3. Step 3: Cross multiply
    39,217.60x = 58,840.80 × 15,846.40
  4. Step 4: Simplify right side
    39,217.60x = 932,414,853.12
  5. Step 5: Solve for x
    x = 932,414,853.12/39,217.60
  6. Step 6: Final answer
    x = 23,775.42

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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.