Home / 51,639.75-71,251.88-30,411.27

Finding the Fourth Proportional to 51,639.75, 71,251.88 and 30,411.27

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Solution

The fourth proportional to 51,639.75, 71,251.88 and 30,411.27 is: 41,961.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,639.75 : 71,251.88 = 30,411.27 : x
  2. Step 2: Convert to fraction form
    51,639.75/71,251.88 = 30,411.27/x
  3. Step 3: Cross multiply
    51,639.75x = 71,251.88 × 30,411.27
  4. Step 4: Simplify right side
    51,639.75x = 2,166,860,008.63
  5. Step 5: Solve for x
    x = 2,166,860,008.63/51,639.75
  6. Step 6: Final answer
    x = 41,961.09

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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.