Home / 49,074.24-67,720.81-28,930.76

Finding the Fourth Proportional to 49,074.24, 67,720.81 and 28,930.76

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Solution

The fourth proportional to 49,074.24, 67,720.81 and 28,930.76 is: 39,923.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,074.24 : 67,720.81 = 28,930.76 : x
  2. Step 2: Convert to fraction form
    49,074.24/67,720.81 = 28,930.76/x
  3. Step 3: Cross multiply
    49,074.24x = 67,720.81 × 28,930.76
  4. Step 4: Simplify right side
    49,074.24x = 1,959,214,501.12
  5. Step 5: Solve for x
    x = 1,959,214,501.12/49,074.24
  6. Step 6: Final answer
    x = 39,923.48

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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.