Home / 54,220.92-74,807.82-30,343.80

Finding the Fourth Proportional to 54,220.92, 74,807.82 and 30,343.80

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Solution

The fourth proportional to 54,220.92, 74,807.82 and 30,343.80 is: 41,864.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,220.92 : 74,807.82 = 30,343.80 : x
  2. Step 2: Convert to fraction form
    54,220.92/74,807.82 = 30,343.80/x
  3. Step 3: Cross multiply
    54,220.92x = 74,807.82 × 30,343.80
  4. Step 4: Simplify right side
    54,220.92x = 2,269,953,528.52
  5. Step 5: Solve for x
    x = 2,269,953,528.52/54,220.92
  6. Step 6: Final answer
    x = 41,864.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.