Home / 49,617.36-68,460.12-28,107.60

Finding the Fourth Proportional to 49,617.36, 68,460.12 and 28,107.60

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Solution

The fourth proportional to 49,617.36, 68,460.12 and 28,107.60 is: 38,781.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,617.36 : 68,460.12 = 28,107.60 : x
  2. Step 2: Convert to fraction form
    49,617.36/68,460.12 = 28,107.60/x
  3. Step 3: Cross multiply
    49,617.36x = 68,460.12 × 28,107.60
  4. Step 4: Simplify right side
    49,617.36x = 1,924,249,668.91
  5. Step 5: Solve for x
    x = 1,924,249,668.91/49,617.36
  6. Step 6: Final answer
    x = 38,781.78

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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.