Home / 49,613.85-68,465.93-28,391.72

Finding the Fourth Proportional to 49,613.85, 68,465.93 and 28,391.72

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Solution

The fourth proportional to 49,613.85, 68,465.93 and 28,391.72 is: 39,179.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,613.85 : 68,465.93 = 28,391.72 : x
  2. Step 2: Convert to fraction form
    49,613.85/68,465.93 = 28,391.72/x
  3. Step 3: Cross multiply
    49,613.85x = 68,465.93 × 28,391.72
  4. Step 4: Simplify right side
    49,613.85x = 1,943,865,029.81
  5. Step 5: Solve for x
    x = 1,943,865,029.81/49,613.85
  6. Step 6: Final answer
    x = 39,179.89

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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.