Home / 31,040.15-46,578.92-11,320.43

Finding the Fourth Proportional to 31,040.15, 46,578.92 and 11,320.43

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Solution

The fourth proportional to 31,040.15, 46,578.92 and 11,320.43 is: 16,987.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,040.15 : 46,578.92 = 11,320.43 : x
  2. Step 2: Convert to fraction form
    31,040.15/46,578.92 = 11,320.43/x
  3. Step 3: Cross multiply
    31,040.15x = 46,578.92 × 11,320.43
  4. Step 4: Simplify right side
    31,040.15x = 527,293,113.84
  5. Step 5: Solve for x
    x = 527,293,113.84/31,040.15
  6. Step 6: Final answer
    x = 16,987.46

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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.