Home / 49,548.03-68,397.62-30,430.91

Finding the Fourth Proportional to 49,548.03, 68,397.62 and 30,430.91

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Solution

The fourth proportional to 49,548.03, 68,397.62 and 30,430.91 is: 42,007.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,548.03 : 68,397.62 = 30,430.91 : x
  2. Step 2: Convert to fraction form
    49,548.03/68,397.62 = 30,430.91/x
  3. Step 3: Cross multiply
    49,548.03x = 68,397.62 × 30,430.91
  4. Step 4: Simplify right side
    49,548.03x = 2,081,401,324.29
  5. Step 5: Solve for x
    x = 2,081,401,324.29/49,548.03
  6. Step 6: Final answer
    x = 42,007.75

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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.