Home / 42,674.87-58,919.06-38,190.92

Finding the Fourth Proportional to 42,674.87, 58,919.06 and 38,190.92

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Solution

The fourth proportional to 42,674.87, 58,919.06 and 38,190.92 is: 52,728.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,674.87 : 58,919.06 = 38,190.92 : x
  2. Step 2: Convert to fraction form
    42,674.87/58,919.06 = 38,190.92/x
  3. Step 3: Cross multiply
    42,674.87x = 58,919.06 × 38,190.92
  4. Step 4: Simplify right side
    42,674.87x = 2,250,172,907.82
  5. Step 5: Solve for x
    x = 2,250,172,907.82/42,674.87
  6. Step 6: Final answer
    x = 52,728.29

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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.