Home / 55,575.36-83,363.04-18,665.28

Finding the Fourth Proportional to 55,575.36, 83,363.04 and 18,665.28

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Solution

The fourth proportional to 55,575.36, 83,363.04 and 18,665.28 is: 27,997.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,575.36 : 83,363.04 = 18,665.28 : x
  2. Step 2: Convert to fraction form
    55,575.36/83,363.04 = 18,665.28/x
  3. Step 3: Cross multiply
    55,575.36x = 83,363.04 × 18,665.28
  4. Step 4: Simplify right side
    55,575.36x = 1,555,994,483.25
  5. Step 5: Solve for x
    x = 1,555,994,483.25/55,575.36
  6. Step 6: Final answer
    x = 27,997.92

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1.5x scale

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.