Home / 31,260.76-46,867.86-11,535.64

Finding the Fourth Proportional to 31,260.76, 46,867.86 and 11,535.64

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Solution

The fourth proportional to 31,260.76, 46,867.86 and 11,535.64 is: 17,294.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,260.76 : 46,867.86 = 11,535.64 : x
  2. Step 2: Convert to fraction form
    31,260.76/46,867.86 = 11,535.64/x
  3. Step 3: Cross multiply
    31,260.76x = 46,867.86 × 11,535.64
  4. Step 4: Simplify right side
    31,260.76x = 540,650,760.53
  5. Step 5: Solve for x
    x = 540,650,760.53/31,260.76
  6. Step 6: Final answer
    x = 17,294.87

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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.