Home / 39,058.20-58,587.30-9,475.78

Finding the Fourth Proportional to 39,058.20, 58,587.30 and 9,475.78

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Solution

The fourth proportional to 39,058.20, 58,587.30 and 9,475.78 is: 14,213.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,058.20 : 58,587.30 = 9,475.78 : x
  2. Step 2: Convert to fraction form
    39,058.20/58,587.30 = 9,475.78/x
  3. Step 3: Cross multiply
    39,058.20x = 58,587.30 × 9,475.78
  4. Step 4: Simplify right side
    39,058.20x = 555,160,365.59
  5. Step 5: Solve for x
    x = 555,160,365.59/39,058.20
  6. Step 6: Final answer
    x = 14,213.67

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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.