Home / 64,917.40-97,361.07-20,535.88

Finding the Fourth Proportional to 64,917.40, 97,361.07 and 20,535.88

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Solution

The fourth proportional to 64,917.40, 97,361.07 and 20,535.88 is: 30,799.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,917.40 : 97,361.07 = 20,535.88 : x
  2. Step 2: Convert to fraction form
    64,917.40/97,361.07 = 20,535.88/x
  3. Step 3: Cross multiply
    64,917.40x = 97,361.07 × 20,535.88
  4. Step 4: Simplify right side
    64,917.40x = 1,999,395,250.19
  5. Step 5: Solve for x
    x = 1,999,395,250.19/64,917.40
  6. Step 6: Final answer
    x = 30,799.07

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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.