Home / 31,780.08-43,856.37-17,632.89

Finding the Fourth Proportional to 31,780.08, 43,856.37 and 17,632.89

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Solution

The fourth proportional to 31,780.08, 43,856.37 and 17,632.89 is: 24,333.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,780.08 : 43,856.37 = 17,632.89 : x
  2. Step 2: Convert to fraction form
    31,780.08/43,856.37 = 17,632.89/x
  3. Step 3: Cross multiply
    31,780.08x = 43,856.37 × 17,632.89
  4. Step 4: Simplify right side
    31,780.08x = 773,314,548.01
  5. Step 5: Solve for x
    x = 773,314,548.01/31,780.08
  6. Step 6: Final answer
    x = 24,333.31

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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.