Home / 39,314.80-58,971.52-14,354.72

Finding the Fourth Proportional to 39,314.80, 58,971.52 and 14,354.72

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Solution

The fourth proportional to 39,314.80, 58,971.52 and 14,354.72 is: 21,531.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,314.80 : 58,971.52 = 14,354.72 : x
  2. Step 2: Convert to fraction form
    39,314.80/58,971.52 = 14,354.72/x
  3. Step 3: Cross multiply
    39,314.80x = 58,971.52 × 14,354.72
  4. Step 4: Simplify right side
    39,314.80x = 846,519,657.57
  5. Step 5: Solve for x
    x = 846,519,657.57/39,314.80
  6. Step 6: Final answer
    x = 21,531.83

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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.