Home / 39,058.38-58,586.22-10,978.65

Finding the Fourth Proportional to 39,058.38, 58,586.22 and 10,978.65

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Solution

The fourth proportional to 39,058.38, 58,586.22 and 10,978.65 is: 16,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,058.38 : 58,586.22 = 10,978.65 : x
  2. Step 2: Convert to fraction form
    39,058.38/58,586.22 = 10,978.65/x
  3. Step 3: Cross multiply
    39,058.38x = 58,586.22 × 10,978.65
  4. Step 4: Simplify right side
    39,058.38x = 643,197,604.20
  5. Step 5: Solve for x
    x = 643,197,604.20/39,058.38
  6. Step 6: Final answer
    x = 16,467.60

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1.5x scale

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.