Home / 55,595.36-83,393.04-18,685.28

Finding the Fourth Proportional to 55,595.36, 83,393.04 and 18,685.28

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Solution

The fourth proportional to 55,595.36, 83,393.04 and 18,685.28 is: 28,027.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,595.36 : 83,393.04 = 18,685.28 : x
  2. Step 2: Convert to fraction form
    55,595.36/83,393.04 = 18,685.28/x
  3. Step 3: Cross multiply
    55,595.36x = 83,393.04 × 18,685.28
  4. Step 4: Simplify right side
    55,595.36x = 1,558,222,302.45
  5. Step 5: Solve for x
    x = 1,558,222,302.45/55,595.36
  6. Step 6: Final answer
    x = 28,027.92

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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.