Home / 31,064.23-42,868.74-16,917.04

Finding the Fourth Proportional to 31,064.23, 42,868.74 and 16,917.04

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Solution

The fourth proportional to 31,064.23, 42,868.74 and 16,917.04 is: 23,345.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,064.23 : 42,868.74 = 16,917.04 : x
  2. Step 2: Convert to fraction form
    31,064.23/42,868.74 = 16,917.04/x
  3. Step 3: Cross multiply
    31,064.23x = 42,868.74 × 16,917.04
  4. Step 4: Simplify right side
    31,064.23x = 725,212,189.33
  5. Step 5: Solve for x
    x = 725,212,189.33/31,064.23
  6. Step 6: Final answer
    x = 23,345.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.