Home / 65,190.64-97,785.13-20,816.83

Finding the Fourth Proportional to 65,190.64, 97,785.13 and 20,816.83

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Solution

The fourth proportional to 65,190.64, 97,785.13 and 20,816.83 is: 31,224.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,190.64 : 97,785.13 = 20,816.83 : x
  2. Step 2: Convert to fraction form
    65,190.64/97,785.13 = 20,816.83/x
  3. Step 3: Cross multiply
    65,190.64x = 97,785.13 × 20,816.83
  4. Step 4: Simplify right side
    65,190.64x = 2,035,576,427.74
  5. Step 5: Solve for x
    x = 2,035,576,427.74/65,190.64
  6. Step 6: Final answer
    x = 31,224.98

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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.