Home / 45,719.80-68,579.70-22,391.80

Finding the Fourth Proportional to 45,719.80, 68,579.70 and 22,391.80

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Solution

The fourth proportional to 45,719.80, 68,579.70 and 22,391.80 is: 33,587.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,719.80 : 68,579.70 = 22,391.80 : x
  2. Step 2: Convert to fraction form
    45,719.80/68,579.70 = 22,391.80/x
  3. Step 3: Cross multiply
    45,719.80x = 68,579.70 × 22,391.80
  4. Step 4: Simplify right side
    45,719.80x = 1,535,622,926.46
  5. Step 5: Solve for x
    x = 1,535,622,926.46/45,719.80
  6. Step 6: Final answer
    x = 33,587.70

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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.