Home / 39,020.60-58,544.06-12,370.95

Finding the Fourth Proportional to 39,020.60, 58,544.06 and 12,370.95

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Solution

The fourth proportional to 39,020.60, 58,544.06 and 12,370.95 is: 18,560.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,020.60 : 58,544.06 = 12,370.95 : x
  2. Step 2: Convert to fraction form
    39,020.60/58,544.06 = 12,370.95/x
  3. Step 3: Cross multiply
    39,020.60x = 58,544.06 × 12,370.95
  4. Step 4: Simplify right side
    39,020.60x = 724,245,577.20
  5. Step 5: Solve for x
    x = 724,245,577.20/39,020.60
  6. Step 6: Final answer
    x = 18,560.59

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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.