Home / 57,766.20-86,735.70-40,313.40

Finding the Fourth Proportional to 57,766.20, 86,735.70 and 40,313.40

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Solution

The fourth proportional to 57,766.20, 86,735.70 and 40,313.40 is: 60,530.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,766.20 : 86,735.70 = 40,313.40 : x
  2. Step 2: Convert to fraction form
    57,766.20/86,735.70 = 40,313.40/x
  3. Step 3: Cross multiply
    57,766.20x = 86,735.70 × 40,313.40
  4. Step 4: Simplify right side
    57,766.20x = 3,496,610,968.38
  5. Step 5: Solve for x
    x = 3,496,610,968.38/57,766.20
  6. Step 6: Final answer
    x = 60,530.40

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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.