Home / 43,153.88-64,730.68-19,433.68

Finding the Fourth Proportional to 43,153.88, 64,730.68 and 19,433.68

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Solution

The fourth proportional to 43,153.88, 64,730.68 and 19,433.68 is: 29,150.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,153.88 : 64,730.68 = 19,433.68 : x
  2. Step 2: Convert to fraction form
    43,153.88/64,730.68 = 19,433.68/x
  3. Step 3: Cross multiply
    43,153.88x = 64,730.68 × 19,433.68
  4. Step 4: Simplify right side
    43,153.88x = 1,257,955,321.30
  5. Step 5: Solve for x
    x = 1,257,955,321.30/43,153.88
  6. Step 6: Final answer
    x = 29,150.46

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1.5x scale

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.