Home / 39,245.77-58,871.36-12,968.97

Finding the Fourth Proportional to 39,245.77, 58,871.36 and 12,968.97

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Solution

The fourth proportional to 39,245.77, 58,871.36 and 12,968.97 is: 19,454.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,245.77 : 58,871.36 = 12,968.97 : x
  2. Step 2: Convert to fraction form
    39,245.77/58,871.36 = 12,968.97/x
  3. Step 3: Cross multiply
    39,245.77x = 58,871.36 × 12,968.97
  4. Step 4: Simplify right side
    39,245.77x = 763,500,901.70
  5. Step 5: Solve for x
    x = 763,500,901.70/39,245.77
  6. Step 6: Final answer
    x = 19,454.35

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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.