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Finding the Fourth Proportional to 56,043, 84,064.98 and 14,487.48

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Solution

The fourth proportional to 56,043, 84,064.98 and 14,487.48 is: 21,731.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,043 : 84,064.98 = 14,487.48 : x
  2. Step 2: Convert to fraction form
    56,043/84,064.98 = 14,487.48/x
  3. Step 3: Cross multiply
    56,043x = 84,064.98 × 14,487.48
  4. Step 4: Simplify right side
    56,043x = 1,217,889,716.45
  5. Step 5: Solve for x
    x = 1,217,889,716.45/56,043
  6. Step 6: Final answer
    x = 21,731.34

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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.