Home / 57,271.10-85,906.65-39,775.10

Finding the Fourth Proportional to 57,271.10, 85,906.65 and 39,775.10

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Solution

The fourth proportional to 57,271.10, 85,906.65 and 39,775.10 is: 59,662.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,271.10 : 85,906.65 = 39,775.10 : x
  2. Step 2: Convert to fraction form
    57,271.10/85,906.65 = 39,775.10/x
  3. Step 3: Cross multiply
    57,271.10x = 85,906.65 × 39,775.10
  4. Step 4: Simplify right side
    57,271.10x = 3,416,945,594.42
  5. Step 5: Solve for x
    x = 3,416,945,594.42/57,271.10
  6. Step 6: Final answer
    x = 59,662.65

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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.