Home / 45,447.68-68,174.78-14,285.36

Finding the Fourth Proportional to 45,447.68, 68,174.78 and 14,285.36

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Solution

The fourth proportional to 45,447.68, 68,174.78 and 14,285.36 is: 21,429.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,447.68 : 68,174.78 = 14,285.36 : x
  2. Step 2: Convert to fraction form
    45,447.68/68,174.78 = 14,285.36/x
  3. Step 3: Cross multiply
    45,447.68x = 68,174.78 × 14,285.36
  4. Step 4: Simplify right side
    45,447.68x = 973,900,862.92
  5. Step 5: Solve for x
    x = 973,900,862.92/45,447.68
  6. Step 6: Final answer
    x = 21,429.06

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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.