Home / 64,651.61-96,977.43-20,281.83

Finding the Fourth Proportional to 64,651.61, 96,977.43 and 20,281.83

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Solution

The fourth proportional to 64,651.61, 96,977.43 and 20,281.83 is: 30,422.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,651.61 : 96,977.43 = 20,281.83 : x
  2. Step 2: Convert to fraction form
    64,651.61/96,977.43 = 20,281.83/x
  3. Step 3: Cross multiply
    64,651.61x = 96,977.43 × 20,281.83
  4. Step 4: Simplify right side
    64,651.61x = 1,966,879,749.10
  5. Step 5: Solve for x
    x = 1,966,879,749.10/64,651.61
  6. Step 6: Final answer
    x = 30,422.75

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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.