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Finding the Fourth Proportional to 56,000, 84,000.36 and 14,447.36

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Solution

The fourth proportional to 56,000, 84,000.36 and 14,447.36 is: 21,671.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,000 : 84,000.36 = 14,447.36 : x
  2. Step 2: Convert to fraction form
    56,000/84,000.36 = 14,447.36/x
  3. Step 3: Cross multiply
    56,000x = 84,000.36 × 14,447.36
  4. Step 4: Simplify right side
    56,000x = 1,213,583,441.05
  5. Step 5: Solve for x
    x = 1,213,583,441.05/56,000
  6. Step 6: Final answer
    x = 21,671.13

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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.