Home / 42,744.92-58,990.78-28,382.26

Finding the Fourth Proportional to 42,744.92, 58,990.78 and 28,382.26

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Solution

The fourth proportional to 42,744.92, 58,990.78 and 28,382.26 is: 39,169.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,744.92 : 58,990.78 = 28,382.26 : x
  2. Step 2: Convert to fraction form
    42,744.92/58,990.78 = 28,382.26/x
  3. Step 3: Cross multiply
    42,744.92x = 58,990.78 × 28,382.26
  4. Step 4: Simplify right side
    42,744.92x = 1,674,291,655.56
  5. Step 5: Solve for x
    x = 1,674,291,655.56/42,744.92
  6. Step 6: Final answer
    x = 39,169.37

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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.