Home / 64,929.69-97,406.55-20,567.61

Finding the Fourth Proportional to 64,929.69, 97,406.55 and 20,567.61

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Solution

The fourth proportional to 64,929.69, 97,406.55 and 20,567.61 is: 30,855.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,929.69 : 97,406.55 = 20,567.61 : x
  2. Step 2: Convert to fraction form
    64,929.69/97,406.55 = 20,567.61/x
  3. Step 3: Cross multiply
    64,929.69x = 97,406.55 × 20,567.61
  4. Step 4: Simplify right side
    64,929.69x = 2,003,419,931.85
  5. Step 5: Solve for x
    x = 2,003,419,931.85/64,929.69
  6. Step 6: Final answer
    x = 30,855.22

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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.