Home / 47,381.81-65,387.01-25,871.58

Finding the Fourth Proportional to 47,381.81, 65,387.01 and 25,871.58

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Solution

The fourth proportional to 47,381.81, 65,387.01 and 25,871.58 is: 35,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,381.81 : 65,387.01 = 25,871.58 : x
  2. Step 2: Convert to fraction form
    47,381.81/65,387.01 = 25,871.58/x
  3. Step 3: Cross multiply
    47,381.81x = 65,387.01 × 25,871.58
  4. Step 4: Simplify right side
    47,381.81x = 1,691,665,260.18
  5. Step 5: Solve for x
    x = 1,691,665,260.18/47,381.81
  6. Step 6: Final answer
    x = 35,702.85

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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.