Home / 45,407.36-68,117.44-14,245.04

Finding the Fourth Proportional to 45,407.36, 68,117.44 and 14,245.04

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Solution

The fourth proportional to 45,407.36, 68,117.44 and 14,245.04 is: 21,369.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,407.36 : 68,117.44 = 14,245.04 : x
  2. Step 2: Convert to fraction form
    45,407.36/68,117.44 = 14,245.04/x
  3. Step 3: Cross multiply
    45,407.36x = 68,117.44 × 14,245.04
  4. Step 4: Simplify right side
    45,407.36x = 970,335,657.50
  5. Step 5: Solve for x
    x = 970,335,657.50/45,407.36
  6. Step 6: Final answer
    x = 21,369.57

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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.