Home / 55,830.43-83,727.65-18,381.59

Finding the Fourth Proportional to 55,830.43, 83,727.65 and 18,381.59

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Solution

The fourth proportional to 55,830.43, 83,727.65 and 18,381.59 is: 27,566.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,830.43 : 83,727.65 = 18,381.59 : x
  2. Step 2: Convert to fraction form
    55,830.43/83,727.65 = 18,381.59/x
  3. Step 3: Cross multiply
    55,830.43x = 83,727.65 × 18,381.59
  4. Step 4: Simplify right side
    55,830.43x = 1,539,047,105.82
  5. Step 5: Solve for x
    x = 1,539,047,105.82/55,830.43
  6. Step 6: Final answer
    x = 27,566.46

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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.