Home / 39,051.80-58,585.35-12,749.48

Finding the Fourth Proportional to 39,051.80, 58,585.35 and 12,749.48

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Solution

The fourth proportional to 39,051.80, 58,585.35 and 12,749.48 is: 19,126.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,051.80 : 58,585.35 = 12,749.48 : x
  2. Step 2: Convert to fraction form
    39,051.80/58,585.35 = 12,749.48/x
  3. Step 3: Cross multiply
    39,051.80x = 58,585.35 × 12,749.48
  4. Step 4: Simplify right side
    39,051.80x = 746,932,748.12
  5. Step 5: Solve for x
    x = 746,932,748.12/39,051.80
  6. Step 6: Final answer
    x = 19,126.72

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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.