Home / 31,360.15-43,280.08-17,933.39

Finding the Fourth Proportional to 31,360.15, 43,280.08 and 17,933.39

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Solution

The fourth proportional to 31,360.15, 43,280.08 and 17,933.39 is: 24,749.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,360.15 : 43,280.08 = 17,933.39 : x
  2. Step 2: Convert to fraction form
    31,360.15/43,280.08 = 17,933.39/x
  3. Step 3: Cross multiply
    31,360.15x = 43,280.08 × 17,933.39
  4. Step 4: Simplify right side
    31,360.15x = 776,158,292.64
  5. Step 5: Solve for x
    x = 776,158,292.64/31,360.15
  6. Step 6: Final answer
    x = 24,749.83

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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.