Home / 58,432-87,604.26-18,965.56

Finding the Fourth Proportional to 58,432, 87,604.26 and 18,965.56

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Solution

The fourth proportional to 58,432, 87,604.26 and 18,965.56 is: 28,434.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,432 : 87,604.26 = 18,965.56 : x
  2. Step 2: Convert to fraction form
    58,432/87,604.26 = 18,965.56/x
  3. Step 3: Cross multiply
    58,432x = 87,604.26 × 18,965.56
  4. Step 4: Simplify right side
    58,432x = 1,661,463,849.29
  5. Step 5: Solve for x
    x = 1,661,463,849.29/58,432
  6. Step 6: Final answer
    x = 28,434.14

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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.