Home / 31,775.64-43,852.08-17,628.12

Finding the Fourth Proportional to 31,775.64, 43,852.08 and 17,628.12

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Solution

The fourth proportional to 31,775.64, 43,852.08 and 17,628.12 is: 24,327.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,775.64 : 43,852.08 = 17,628.12 : x
  2. Step 2: Convert to fraction form
    31,775.64/43,852.08 = 17,628.12/x
  3. Step 3: Cross multiply
    31,775.64x = 43,852.08 × 17,628.12
  4. Step 4: Simplify right side
    31,775.64x = 773,029,728.49
  5. Step 5: Solve for x
    x = 773,029,728.49/31,775.64
  6. Step 6: Final answer
    x = 24,327.75

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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.