Home / 31,246.05-46,856.48-11,520.23

Finding the Fourth Proportional to 31,246.05, 46,856.48 and 11,520.23

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Solution

The fourth proportional to 31,246.05, 46,856.48 and 11,520.23 is: 17,275.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,246.05 : 46,856.48 = 11,520.23 : x
  2. Step 2: Convert to fraction form
    31,246.05/46,856.48 = 11,520.23/x
  3. Step 3: Cross multiply
    31,246.05x = 46,856.48 × 11,520.23
  4. Step 4: Simplify right side
    31,246.05x = 539,797,134.71
  5. Step 5: Solve for x
    x = 539,797,134.71/31,246.05
  6. Step 6: Final answer
    x = 17,275.69

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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.