Home / 58,387.39-87,581.04-18,944.51

Finding the Fourth Proportional to 58,387.39, 87,581.04 and 18,944.51

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Solution

The fourth proportional to 58,387.39, 87,581.04 and 18,944.51 is: 28,416.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,387.39 : 87,581.04 = 18,944.51 : x
  2. Step 2: Convert to fraction form
    58,387.39/87,581.04 = 18,944.51/x
  3. Step 3: Cross multiply
    58,387.39x = 87,581.04 × 18,944.51
  4. Step 4: Simplify right side
    58,387.39x = 1,659,179,888.09
  5. Step 5: Solve for x
    x = 1,659,179,888.09/58,387.39
  6. Step 6: Final answer
    x = 28,416.75

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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.