Home / 39,160.69-58,751.06-12,865.66

Finding the Fourth Proportional to 39,160.69, 58,751.06 and 12,865.66

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Solution

The fourth proportional to 39,160.69, 58,751.06 and 12,865.66 is: 19,301.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,160.69 : 58,751.06 = 12,865.66 : x
  2. Step 2: Convert to fraction form
    39,160.69/58,751.06 = 12,865.66/x
  3. Step 3: Cross multiply
    39,160.69x = 58,751.06 × 12,865.66
  4. Step 4: Simplify right side
    39,160.69x = 755,870,951.39
  5. Step 5: Solve for x
    x = 755,870,951.39/39,160.69
  6. Step 6: Final answer
    x = 19,301.78

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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.