Home / 31,799.12-43,878.12-17,652.08

Finding the Fourth Proportional to 31,799.12, 43,878.12 and 17,652.08

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Solution

The fourth proportional to 31,799.12, 43,878.12 and 17,652.08 is: 24,357.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,799.12 : 43,878.12 = 17,652.08 : x
  2. Step 2: Convert to fraction form
    31,799.12/43,878.12 = 17,652.08/x
  3. Step 3: Cross multiply
    31,799.12x = 43,878.12 × 17,652.08
  4. Step 4: Simplify right side
    31,799.12x = 774,540,084.49
  5. Step 5: Solve for x
    x = 774,540,084.49/31,799.12
  6. Step 6: Final answer
    x = 24,357.28

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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.