Home / 55,573.12-83,368.40-18,124.56

Finding the Fourth Proportional to 55,573.12, 83,368.40 and 18,124.56

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Solution

The fourth proportional to 55,573.12, 83,368.40 and 18,124.56 is: 27,189.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,573.12 : 83,368.40 = 18,124.56 : x
  2. Step 2: Convert to fraction form
    55,573.12/83,368.40 = 18,124.56/x
  3. Step 3: Cross multiply
    55,573.12x = 83,368.40 × 18,124.56
  4. Step 4: Simplify right side
    55,573.12x = 1,511,015,567.90
  5. Step 5: Solve for x
    x = 1,511,015,567.90/55,573.12
  6. Step 6: Final answer
    x = 27,189.68

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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.