Home / 39,072.72-58,630.08-25,931.28

Finding the Fourth Proportional to 39,072.72, 58,630.08 and 25,931.28

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Solution

The fourth proportional to 39,072.72, 58,630.08 and 25,931.28 is: 38,910.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,072.72 : 58,630.08 = 25,931.28 : x
  2. Step 2: Convert to fraction form
    39,072.72/58,630.08 = 25,931.28/x
  3. Step 3: Cross multiply
    39,072.72x = 58,630.08 × 25,931.28
  4. Step 4: Simplify right side
    39,072.72x = 1,520,353,020.90
  5. Step 5: Solve for x
    x = 1,520,353,020.90/39,072.72
  6. Step 6: Final answer
    x = 38,910.86

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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.