Home / 31,275.82-46,890.30-11,550.70

Finding the Fourth Proportional to 31,275.82, 46,890.30 and 11,550.70

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Solution

The fourth proportional to 31,275.82, 46,890.30 and 11,550.70 is: 17,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,275.82 : 46,890.30 = 11,550.70 : x
  2. Step 2: Convert to fraction form
    31,275.82/46,890.30 = 11,550.70/x
  3. Step 3: Cross multiply
    31,275.82x = 46,890.30 × 11,550.70
  4. Step 4: Simplify right side
    31,275.82x = 541,615,788.21
  5. Step 5: Solve for x
    x = 541,615,788.21/31,275.82
  6. Step 6: Final answer
    x = 17,317.40

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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.