Home / 31,131.51-46,722.16-16,142.90

Finding the Fourth Proportional to 31,131.51, 46,722.16 and 16,142.90

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Solution

The fourth proportional to 31,131.51, 46,722.16 and 16,142.90 is: 24,227.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,131.51 : 46,722.16 = 16,142.90 : x
  2. Step 2: Convert to fraction form
    31,131.51/46,722.16 = 16,142.90/x
  3. Step 3: Cross multiply
    31,131.51x = 46,722.16 × 16,142.90
  4. Step 4: Simplify right side
    31,131.51x = 754,230,897.83
  5. Step 5: Solve for x
    x = 754,230,897.83/31,131.51
  6. Step 6: Final answer
    x = 24,227.25

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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.