Home / 55,936.92-83,887.56-18,490

Finding the Fourth Proportional to 55,936.92, 83,887.56 and 18,490

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Solution

The fourth proportional to 55,936.92, 83,887.56 and 18,490 is: 27,729.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,936.92 : 83,887.56 = 18,490 : x
  2. Step 2: Convert to fraction form
    55,936.92/83,887.56 = 18,490/x
  3. Step 3: Cross multiply
    55,936.92x = 83,887.56 × 18,490
  4. Step 4: Simplify right side
    55,936.92x = 1,551,080,984.40
  5. Step 5: Solve for x
    x = 1,551,080,984.40/55,936.92
  6. Step 6: Final answer
    x = 27,729.11

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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.