Home / 49,117.49-67,789.47-30,008.30

Finding the Fourth Proportional to 49,117.49, 67,789.47 and 30,008.30

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Solution

The fourth proportional to 49,117.49, 67,789.47 and 30,008.30 is: 41,415.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,117.49 : 67,789.47 = 30,008.30 : x
  2. Step 2: Convert to fraction form
    49,117.49/67,789.47 = 30,008.30/x
  3. Step 3: Cross multiply
    49,117.49x = 67,789.47 × 30,008.30
  4. Step 4: Simplify right side
    49,117.49x = 2,034,246,590.25
  5. Step 5: Solve for x
    x = 2,034,246,590.25/49,117.49
  6. Step 6: Final answer
    x = 41,415.93

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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.