Home / 39,161.76-58,749.93-12,868.35

Finding the Fourth Proportional to 39,161.76, 58,749.93 and 12,868.35

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Solution

The fourth proportional to 39,161.76, 58,749.93 and 12,868.35 is: 19,304.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,161.76 : 58,749.93 = 12,868.35 : x
  2. Step 2: Convert to fraction form
    39,161.76/58,749.93 = 12,868.35/x
  3. Step 3: Cross multiply
    39,161.76x = 58,749.93 × 12,868.35
  4. Step 4: Simplify right side
    39,161.76x = 756,014,661.72
  5. Step 5: Solve for x
    x = 756,014,661.72/39,161.76
  6. Step 6: Final answer
    x = 19,304.92

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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.