Home / 31,112.51-46,685.16-13,561.83

Finding the Fourth Proportional to 31,112.51, 46,685.16 and 13,561.83

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Solution

The fourth proportional to 31,112.51, 46,685.16 and 13,561.83 is: 20,349.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,112.51 : 46,685.16 = 13,561.83 : x
  2. Step 2: Convert to fraction form
    31,112.51/46,685.16 = 13,561.83/x
  3. Step 3: Cross multiply
    31,112.51x = 46,685.16 × 13,561.83
  4. Step 4: Simplify right side
    31,112.51x = 633,136,203.44
  5. Step 5: Solve for x
    x = 633,136,203.44/31,112.51
  6. Step 6: Final answer
    x = 20,349.89

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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.