Home / 46,961.91-64,805.40-28,109.43

Finding the Fourth Proportional to 46,961.91, 64,805.40 and 28,109.43

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Solution

The fourth proportional to 46,961.91, 64,805.40 and 28,109.43 is: 38,789.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,961.91 : 64,805.40 = 28,109.43 : x
  2. Step 2: Convert to fraction form
    46,961.91/64,805.40 = 28,109.43/x
  3. Step 3: Cross multiply
    46,961.91x = 64,805.40 × 28,109.43
  4. Step 4: Simplify right side
    46,961.91x = 1,821,642,854.92
  5. Step 5: Solve for x
    x = 1,821,642,854.92/46,961.91
  6. Step 6: Final answer
    x = 38,789.79

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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.