Home / 45,399.90-68,110.74-14,235.14

Finding the Fourth Proportional to 45,399.90, 68,110.74 and 14,235.14

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Solution

The fourth proportional to 45,399.90, 68,110.74 and 14,235.14 is: 21,356.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,399.90 : 68,110.74 = 14,235.14 : x
  2. Step 2: Convert to fraction form
    45,399.90/68,110.74 = 14,235.14/x
  3. Step 3: Cross multiply
    45,399.90x = 68,110.74 × 14,235.14
  4. Step 4: Simplify right side
    45,399.90x = 969,565,919.40
  5. Step 5: Solve for x
    x = 969,565,919.40/45,399.90
  6. Step 6: Final answer
    x = 21,356.12

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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.