Home / 57,017.58-85,522.05-20,055.66

Finding the Fourth Proportional to 57,017.58, 85,522.05 and 20,055.66

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Solution

The fourth proportional to 57,017.58, 85,522.05 and 20,055.66 is: 30,081.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,017.58 : 85,522.05 = 20,055.66 : x
  2. Step 2: Convert to fraction form
    57,017.58/85,522.05 = 20,055.66/x
  3. Step 3: Cross multiply
    57,017.58x = 85,522.05 × 20,055.66
  4. Step 4: Simplify right side
    57,017.58x = 1,715,201,157.30
  5. Step 5: Solve for x
    x = 1,715,201,157.30/57,017.58
  6. Step 6: Final answer
    x = 30,081.97

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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.