Home / 45,431.96-68,158.92-14,267.21

Finding the Fourth Proportional to 45,431.96, 68,158.92 and 14,267.21

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Solution

The fourth proportional to 45,431.96, 68,158.92 and 14,267.21 is: 21,404.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,431.96 : 68,158.92 = 14,267.21 : x
  2. Step 2: Convert to fraction form
    45,431.96/68,158.92 = 14,267.21/x
  3. Step 3: Cross multiply
    45,431.96x = 68,158.92 × 14,267.21
  4. Step 4: Simplify right side
    45,431.96x = 972,437,284.22
  5. Step 5: Solve for x
    x = 972,437,284.22/45,431.96
  6. Step 6: Final answer
    x = 21,404.26

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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.