Home / 45,169.60-67,768.08-14,005.12

Finding the Fourth Proportional to 45,169.60, 67,768.08 and 14,005.12

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Solution

The fourth proportional to 45,169.60, 67,768.08 and 14,005.12 is: 21,011.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,169.60 : 67,768.08 = 14,005.12 : x
  2. Step 2: Convert to fraction form
    45,169.60/67,768.08 = 14,005.12/x
  3. Step 3: Cross multiply
    45,169.60x = 67,768.08 × 14,005.12
  4. Step 4: Simplify right side
    45,169.60x = 949,100,092.57
  5. Step 5: Solve for x
    x = 949,100,092.57/45,169.60
  6. Step 6: Final answer
    x = 21,011.92

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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.