Home / 45,403.90-68,116.74-14,239.14

Finding the Fourth Proportional to 45,403.90, 68,116.74 and 14,239.14

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Solution

The fourth proportional to 45,403.90, 68,116.74 and 14,239.14 is: 21,362.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,403.90 : 68,116.74 = 14,239.14 : x
  2. Step 2: Convert to fraction form
    45,403.90/68,116.74 = 14,239.14/x
  3. Step 3: Cross multiply
    45,403.90x = 68,116.74 × 14,239.14
  4. Step 4: Simplify right side
    45,403.90x = 969,923,797.20
  5. Step 5: Solve for x
    x = 969,923,797.20/45,403.90
  6. Step 6: Final answer
    x = 21,362.13

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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.