Home / 45,488.60-68,223.50-12,200.75

Finding the Fourth Proportional to 45,488.60, 68,223.50 and 12,200.75

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Solution

The fourth proportional to 45,488.60, 68,223.50 and 12,200.75 is: 18,298.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,488.60 : 68,223.50 = 12,200.75 : x
  2. Step 2: Convert to fraction form
    45,488.60/68,223.50 = 12,200.75/x
  3. Step 3: Cross multiply
    45,488.60x = 68,223.50 × 12,200.75
  4. Step 4: Simplify right side
    45,488.60x = 832,377,867.63
  5. Step 5: Solve for x
    x = 832,377,867.63/45,488.60
  6. Step 6: Final answer
    x = 18,298.60

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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.