Home / 42,730.94-58,997.86-27,660.08

Finding the Fourth Proportional to 42,730.94, 58,997.86 and 27,660.08

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Solution

The fourth proportional to 42,730.94, 58,997.86 and 27,660.08 is: 38,189.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,730.94 : 58,997.86 = 27,660.08 : x
  2. Step 2: Convert to fraction form
    42,730.94/58,997.86 = 27,660.08/x
  3. Step 3: Cross multiply
    42,730.94x = 58,997.86 × 27,660.08
  4. Step 4: Simplify right side
    42,730.94x = 1,631,885,527.43
  5. Step 5: Solve for x
    x = 1,631,885,527.43/42,730.94
  6. Step 6: Final answer
    x = 38,189.79

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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.