Home / 31,218.25-46,827.42-12,750.25

Finding the Fourth Proportional to 31,218.25, 46,827.42 and 12,750.25

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Solution

The fourth proportional to 31,218.25, 46,827.42 and 12,750.25 is: 19,125.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,218.25 : 46,827.42 = 12,750.25 : x
  2. Step 2: Convert to fraction form
    31,218.25/46,827.42 = 12,750.25/x
  3. Step 3: Cross multiply
    31,218.25x = 46,827.42 × 12,750.25
  4. Step 4: Simplify right side
    31,218.25x = 597,061,311.86
  5. Step 5: Solve for x
    x = 597,061,311.86/31,218.25
  6. Step 6: Final answer
    x = 19,125.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.