Home / 31,160.19-46,740.29-13,625.92

Finding the Fourth Proportional to 31,160.19, 46,740.29 and 13,625.92

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Solution

The fourth proportional to 31,160.19, 46,740.29 and 13,625.92 is: 20,438.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,160.19 : 46,740.29 = 13,625.92 : x
  2. Step 2: Convert to fraction form
    31,160.19/46,740.29 = 13,625.92/x
  3. Step 3: Cross multiply
    31,160.19x = 46,740.29 × 13,625.92
  4. Step 4: Simplify right side
    31,160.19x = 636,879,519.26
  5. Step 5: Solve for x
    x = 636,879,519.26/31,160.19
  6. Step 6: Final answer
    x = 20,438.88

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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.