Home / 31,295.25-43,187.40-17,870.73

Finding the Fourth Proportional to 31,295.25, 43,187.40 and 17,870.73

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Solution

The fourth proportional to 31,295.25, 43,187.40 and 17,870.73 is: 24,661.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,295.25 : 43,187.40 = 17,870.73 : x
  2. Step 2: Convert to fraction form
    31,295.25/43,187.40 = 17,870.73/x
  3. Step 3: Cross multiply
    31,295.25x = 43,187.40 × 17,870.73
  4. Step 4: Simplify right side
    31,295.25x = 771,790,364.80
  5. Step 5: Solve for x
    x = 771,790,364.80/31,295.25
  6. Step 6: Final answer
    x = 24,661.58

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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.