Home / 39,058.80-58,582.20-12,763.68

Finding the Fourth Proportional to 39,058.80, 58,582.20 and 12,763.68

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Solution

The fourth proportional to 39,058.80, 58,582.20 and 12,763.68 is: 19,143.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,058.80 : 58,582.20 = 12,763.68 : x
  2. Step 2: Convert to fraction form
    39,058.80/58,582.20 = 12,763.68/x
  3. Step 3: Cross multiply
    39,058.80x = 58,582.20 × 12,763.68
  4. Step 4: Simplify right side
    39,058.80x = 747,724,454.50
  5. Step 5: Solve for x
    x = 747,724,454.50/39,058.80
  6. Step 6: Final answer
    x = 19,143.56

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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.