Home / 58,313.05-87,448.11-20,862.97

Finding the Fourth Proportional to 58,313.05, 87,448.11 and 20,862.97

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Solution

The fourth proportional to 58,313.05, 87,448.11 and 20,862.97 is: 31,286.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,313.05 : 87,448.11 = 20,862.97 : x
  2. Step 2: Convert to fraction form
    58,313.05/87,448.11 = 20,862.97/x
  3. Step 3: Cross multiply
    58,313.05x = 87,448.11 × 20,862.97
  4. Step 4: Simplify right side
    58,313.05x = 1,824,427,295.49
  5. Step 5: Solve for x
    x = 1,824,427,295.49/58,313.05
  6. Step 6: Final answer
    x = 31,286.78

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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.