Home / 55,778.60-83,650.14-18,330.05

Finding the Fourth Proportional to 55,778.60, 83,650.14 and 18,330.05

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Solution

The fourth proportional to 55,778.60, 83,650.14 and 18,330.05 is: 27,489.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,778.60 : 83,650.14 = 18,330.05 : x
  2. Step 2: Convert to fraction form
    55,778.60/83,650.14 = 18,330.05/x
  3. Step 3: Cross multiply
    55,778.60x = 83,650.14 × 18,330.05
  4. Step 4: Simplify right side
    55,778.60x = 1,533,310,830.46
  5. Step 5: Solve for x
    x = 1,533,310,830.46/55,778.60
  6. Step 6: Final answer
    x = 27,489.23

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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.