Home / 49,613.80-74,355.90-20,007.40

Finding the Fourth Proportional to 49,613.80, 74,355.90 and 20,007.40

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Solution

The fourth proportional to 49,613.80, 74,355.90 and 20,007.40 is: 29,984.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,613.80 : 74,355.90 = 20,007.40 : x
  2. Step 2: Convert to fraction form
    49,613.80/74,355.90 = 20,007.40/x
  3. Step 3: Cross multiply
    49,613.80x = 74,355.90 × 20,007.40
  4. Step 4: Simplify right side
    49,613.80x = 1,487,668,233.66
  5. Step 5: Solve for x
    x = 1,487,668,233.66/49,613.80
  6. Step 6: Final answer
    x = 29,984.97

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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.