Home / 31,285.40-43,169.84-24,928.12

Finding the Fourth Proportional to 31,285.40, 43,169.84 and 24,928.12

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Solution

The fourth proportional to 31,285.40, 43,169.84 and 24,928.12 is: 34,397.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,285.40 : 43,169.84 = 24,928.12 : x
  2. Step 2: Convert to fraction form
    31,285.40/43,169.84 = 24,928.12/x
  3. Step 3: Cross multiply
    31,285.40x = 43,169.84 × 24,928.12
  4. Step 4: Simplify right side
    31,285.40x = 1,076,142,951.90
  5. Step 5: Solve for x
    x = 1,076,142,951.90/31,285.40
  6. Step 6: Final answer
    x = 34,397.61

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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.