Home / 40,622.57-60,935.48-12,540.14

Finding the Fourth Proportional to 40,622.57, 60,935.48 and 12,540.14

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Solution

The fourth proportional to 40,622.57, 60,935.48 and 12,540.14 is: 18,810.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,622.57 : 60,935.48 = 12,540.14 : x
  2. Step 2: Convert to fraction form
    40,622.57/60,935.48 = 12,540.14/x
  3. Step 3: Cross multiply
    40,622.57x = 60,935.48 × 12,540.14
  4. Step 4: Simplify right side
    40,622.57x = 764,139,082.79
  5. Step 5: Solve for x
    x = 764,139,082.79/40,622.57
  6. Step 6: Final answer
    x = 18,810.70

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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.