Home / 56,912.72-85,373.21-21,852.37

Finding the Fourth Proportional to 56,912.72, 85,373.21 and 21,852.37

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Solution

The fourth proportional to 56,912.72, 85,373.21 and 21,852.37 is: 32,780.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,912.72 : 85,373.21 = 21,852.37 : x
  2. Step 2: Convert to fraction form
    56,912.72/85,373.21 = 21,852.37/x
  3. Step 3: Cross multiply
    56,912.72x = 85,373.21 × 21,852.37
  4. Step 4: Simplify right side
    56,912.72x = 1,865,606,863.75
  5. Step 5: Solve for x
    x = 1,865,606,863.75/56,912.72
  6. Step 6: Final answer
    x = 32,780.14

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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.