Home / 57,004.20-85,506.30-25,900.20

Finding the Fourth Proportional to 57,004.20, 85,506.30 and 25,900.20

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Solution

The fourth proportional to 57,004.20, 85,506.30 and 25,900.20 is: 38,850.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,004.20 : 85,506.30 = 25,900.20 : x
  2. Step 2: Convert to fraction form
    57,004.20/85,506.30 = 25,900.20/x
  3. Step 3: Cross multiply
    57,004.20x = 85,506.30 × 25,900.20
  4. Step 4: Simplify right side
    57,004.20x = 2,214,630,271.26
  5. Step 5: Solve for x
    x = 2,214,630,271.26/57,004.20
  6. Step 6: Final answer
    x = 38,850.30

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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.