Home / 58,421.28-87,684-27,274.08

Finding the Fourth Proportional to 58,421.28, 87,684 and 27,274.08

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Solution

The fourth proportional to 58,421.28, 87,684 and 27,274.08 is: 40,935.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,421.28 : 87,684 = 27,274.08 : x
  2. Step 2: Convert to fraction form
    58,421.28/87,684 = 27,274.08/x
  3. Step 3: Cross multiply
    58,421.28x = 87,684 × 27,274.08
  4. Step 4: Simplify right side
    58,421.28x = 2,391,500,430.72
  5. Step 5: Solve for x
    x = 2,391,500,430.72/58,421.28
  6. Step 6: Final answer
    x = 40,935.43

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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.