Home / 39,161.08-58,747.74-12,859.84

Finding the Fourth Proportional to 39,161.08, 58,747.74 and 12,859.84

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Solution

The fourth proportional to 39,161.08, 58,747.74 and 12,859.84 is: 19,291.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,161.08 : 58,747.74 = 12,859.84 : x
  2. Step 2: Convert to fraction form
    39,161.08/58,747.74 = 12,859.84/x
  3. Step 3: Cross multiply
    39,161.08x = 58,747.74 × 12,859.84
  4. Step 4: Simplify right side
    39,161.08x = 755,486,536.76
  5. Step 5: Solve for x
    x = 755,486,536.76/39,161.08
  6. Step 6: Final answer
    x = 19,291.77

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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.