Home / 39,378.72-59,002.35-27,670.98

Finding the Fourth Proportional to 39,378.72, 59,002.35 and 27,670.98

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Solution

The fourth proportional to 39,378.72, 59,002.35 and 27,670.98 is: 41,460.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,378.72 : 59,002.35 = 27,670.98 : x
  2. Step 2: Convert to fraction form
    39,378.72/59,002.35 = 27,670.98/x
  3. Step 3: Cross multiply
    39,378.72x = 59,002.35 × 27,670.98
  4. Step 4: Simplify right side
    39,378.72x = 1,632,652,846.80
  5. Step 5: Solve for x
    x = 1,632,652,846.80/39,378.72
  6. Step 6: Final answer
    x = 41,460.28

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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.