Home / 47,553.84-65,605.44-30,555.48

Finding the Fourth Proportional to 47,553.84, 65,605.44 and 30,555.48

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Solution

The fourth proportional to 47,553.84, 65,605.44 and 30,555.48 is: 42,154.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,553.84 : 65,605.44 = 30,555.48 : x
  2. Step 2: Convert to fraction form
    47,553.84/65,605.44 = 30,555.48/x
  3. Step 3: Cross multiply
    47,553.84x = 65,605.44 × 30,555.48
  4. Step 4: Simplify right side
    47,553.84x = 2,004,605,709.81
  5. Step 5: Solve for x
    x = 2,004,605,709.81/47,553.84
  6. Step 6: Final answer
    x = 42,154.44

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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.