Home / 55,883.08-83,822.44-18,947.08

Finding the Fourth Proportional to 55,883.08, 83,822.44 and 18,947.08

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Solution

The fourth proportional to 55,883.08, 83,822.44 and 18,947.08 is: 28,419.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,883.08 : 83,822.44 = 18,947.08 : x
  2. Step 2: Convert to fraction form
    55,883.08/83,822.44 = 18,947.08/x
  3. Step 3: Cross multiply
    55,883.08x = 83,822.44 × 18,947.08
  4. Step 4: Simplify right side
    55,883.08x = 1,588,190,476.48
  5. Step 5: Solve for x
    x = 1,588,190,476.48/55,883.08
  6. Step 6: Final answer
    x = 28,419.88

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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.