Home / 55,592.32-83,395.80-18,139.28

Finding the Fourth Proportional to 55,592.32, 83,395.80 and 18,139.28

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Solution

The fourth proportional to 55,592.32, 83,395.80 and 18,139.28 is: 27,211.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,592.32 : 83,395.80 = 18,139.28 : x
  2. Step 2: Convert to fraction form
    55,592.32/83,395.80 = 18,139.28/x
  3. Step 3: Cross multiply
    55,592.32x = 83,395.80 × 18,139.28
  4. Step 4: Simplify right side
    55,592.32x = 1,512,739,767.02
  5. Step 5: Solve for x
    x = 1,512,739,767.02/55,592.32
  6. Step 6: Final answer
    x = 27,211.31

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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.