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Finding the Fourth Proportional to 45,370.32, 68,055.48 and 14,208

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Solution

The fourth proportional to 45,370.32, 68,055.48 and 14,208 is: 21,312

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,370.32 : 68,055.48 = 14,208 : x
  2. Step 2: Convert to fraction form
    45,370.32/68,055.48 = 14,208/x
  3. Step 3: Cross multiply
    45,370.32x = 68,055.48 × 14,208
  4. Step 4: Simplify right side
    45,370.32x = 966,932,259.84
  5. Step 5: Solve for x
    x = 966,932,259.84/45,370.32
  6. Step 6: Final answer
    x = 21,312

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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.