Home / 47,812.98-65,977.84-27,671.11

Finding the Fourth Proportional to 47,812.98, 65,977.84 and 27,671.11

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Solution

The fourth proportional to 47,812.98, 65,977.84 and 27,671.11 is: 38,183.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,812.98 : 65,977.84 = 27,671.11 : x
  2. Step 2: Convert to fraction form
    47,812.98/65,977.84 = 27,671.11/x
  3. Step 3: Cross multiply
    47,812.98x = 65,977.84 × 27,671.11
  4. Step 4: Simplify right side
    47,812.98x = 1,825,679,845.07
  5. Step 5: Solve for x
    x = 1,825,679,845.07/47,812.98
  6. Step 6: Final answer
    x = 38,183.77

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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.