Home / 64,510.96-96,769.01-20,137.72

Finding the Fourth Proportional to 64,510.96, 96,769.01 and 20,137.72

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Solution

The fourth proportional to 64,510.96, 96,769.01 and 20,137.72 is: 30,207.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,510.96 : 96,769.01 = 20,137.72 : x
  2. Step 2: Convert to fraction form
    64,510.96/96,769.01 = 20,137.72/x
  3. Step 3: Cross multiply
    64,510.96x = 96,769.01 × 20,137.72
  4. Step 4: Simplify right side
    64,510.96x = 1,948,706,885.45
  5. Step 5: Solve for x
    x = 1,948,706,885.45/64,510.96
  6. Step 6: Final answer
    x = 30,207.38

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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.