Home / 31,120.54-46,637.04-13,553.52

Finding the Fourth Proportional to 31,120.54, 46,637.04 and 13,553.52

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Solution

The fourth proportional to 31,120.54, 46,637.04 and 13,553.52 is: 20,311.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,120.54 : 46,637.04 = 13,553.52 : x
  2. Step 2: Convert to fraction form
    31,120.54/46,637.04 = 13,553.52/x
  3. Step 3: Cross multiply
    31,120.54x = 46,637.04 × 13,553.52
  4. Step 4: Simplify right side
    31,120.54x = 632,096,054.38
  5. Step 5: Solve for x
    x = 632,096,054.38/31,120.54
  6. Step 6: Final answer
    x = 20,311.22

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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.