Home / 37,749.11-56,639.82-12,791.79

Finding the Fourth Proportional to 37,749.11, 56,639.82 and 12,791.79

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Solution

The fourth proportional to 37,749.11, 56,639.82 and 12,791.79 is: 19,193.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,749.11 : 56,639.82 = 12,791.79 : x
  2. Step 2: Convert to fraction form
    37,749.11/56,639.82 = 12,791.79/x
  3. Step 3: Cross multiply
    37,749.11x = 56,639.82 × 12,791.79
  4. Step 4: Simplify right side
    37,749.11x = 724,524,683.08
  5. Step 5: Solve for x
    x = 724,524,683.08/37,749.11
  6. Step 6: Final answer
    x = 19,193.16

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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.