Home / 51,226.60-76,667.10-45,005.80

Finding the Fourth Proportional to 51,226.60, 76,667.10 and 45,005.80

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Solution

The fourth proportional to 51,226.60, 76,667.10 and 45,005.80 is: 67,356.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,226.60 : 76,667.10 = 45,005.80 : x
  2. Step 2: Convert to fraction form
    51,226.60/76,667.10 = 45,005.80/x
  3. Step 3: Cross multiply
    51,226.60x = 76,667.10 × 45,005.80
  4. Step 4: Simplify right side
    51,226.60x = 3,450,464,169.18
  5. Step 5: Solve for x
    x = 3,450,464,169.18/51,226.60
  6. Step 6: Final answer
    x = 67,356.88

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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.