Home / 55,885.85-83,783.64-18,422.54

Finding the Fourth Proportional to 55,885.85, 83,783.64 and 18,422.54

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Solution

The fourth proportional to 55,885.85, 83,783.64 and 18,422.54 is: 27,618.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,885.85 : 83,783.64 = 18,422.54 : x
  2. Step 2: Convert to fraction form
    55,885.85/83,783.64 = 18,422.54/x
  3. Step 3: Cross multiply
    55,885.85x = 83,783.64 × 18,422.54
  4. Step 4: Simplify right side
    55,885.85x = 1,543,507,459.25
  5. Step 5: Solve for x
    x = 1,543,507,459.25/55,885.85
  6. Step 6: Final answer
    x = 27,618.93

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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.