Home / 39,975.69-55,166.91-22,070.73

Finding the Fourth Proportional to 39,975.69, 55,166.91 and 22,070.73

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Solution

The fourth proportional to 39,975.69, 55,166.91 and 22,070.73 is: 30,457.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,975.69 : 55,166.91 = 22,070.73 : x
  2. Step 2: Convert to fraction form
    39,975.69/55,166.91 = 22,070.73/x
  3. Step 3: Cross multiply
    39,975.69x = 55,166.91 × 22,070.73
  4. Step 4: Simplify right side
    39,975.69x = 1,217,573,975.54
  5. Step 5: Solve for x
    x = 1,217,573,975.54/39,975.69
  6. Step 6: Final answer
    x = 30,457.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.