Home / 64,697.28-96,890.40-36,911.04

Finding the Fourth Proportional to 64,697.28, 96,890.40 and 36,911.04

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Solution

The fourth proportional to 64,697.28, 96,890.40 and 36,911.04 is: 55,277.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,697.28 : 96,890.40 = 36,911.04 : x
  2. Step 2: Convert to fraction form
    64,697.28/96,890.40 = 36,911.04/x
  3. Step 3: Cross multiply
    64,697.28x = 96,890.40 × 36,911.04
  4. Step 4: Simplify right side
    64,697.28x = 3,576,325,430.02
  5. Step 5: Solve for x
    x = 3,576,325,430.02/64,697.28
  6. Step 6: Final answer
    x = 55,277.83

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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.